Skopiuj pełną strukturę tabeli


33

Używając niektórych metod, podczas tworzenia kopii tabeli tracisz indeksy, PK, FK itp. Na przykład w SQL Server mogę powiedzieć:

select * into dbo.table2 from dbo.table1;

To tylko prosta kopia tabeli; brakuje wszystkich indeksów / ograniczeń. Jak mogę skopiować strukturę tabeli (bez użycia kopii zapasowej)?

Przede wszystkim chcę to zrobić ręcznie, ale jeśli nie będzie to możliwe, zaakceptuję każde rozwiązanie.

Odpowiedzi:


30

Oczywiście możesz napisać tabelę stosunkowo łatwo za pomocą interfejsu użytkownika:

wprowadź opis zdjęcia tutaj

Spowoduje to wygenerowanie a CREATE TABLE skryptu i wystarczy wyszukać i zastąpić starą nazwę nową nazwą (i sprawdzić, czy obiekt o nowej nazwie jeszcze nie istnieje).

Ale jeśli próbujesz to zautomatyzować (np. Wygenerować skrypt tworzenia tabeli w kodzie), jest to trochę bardziej kłopotliwe. Powyższa opcja skryptu nie tylko wyciąga cały CREATE TABLEDDL z jednego miejsca w metadanych; robi całą masę magii za kulisami w kodzie, aby wygenerować ostateczny CREATE TABLEskrypt (możesz użyć Profiler, aby zobaczyć, skąd bierze swoje dane, ale nie możesz zobaczyć, jak to składa). Zasugerowałem opcję:

http://connect.microsoft.com/SQLServer/feedback/details/273934

Jednak spotkało się to z bardzo małą liczbą głosów i zostało szybko zestrzelone przez Microsoft. O wiele bardziej opłacalne może być użycie zewnętrznego narzędzia do generowania schematu ( pisałem o tym na blogu ).

W SQL Server 2012 wprowadzono nowe funkcje metadanych, które pozwalają zbliżyć się znacznie do pracy, którą należy wykonać w 2005, 2008 i 2008 R2, gromadząc informacje o kolumnach z metadanych (które zawierają wiele zastrzeżeń, na przykład jeśli jest to dziesiętny musisz dodać precyzję / skalę, jeśli [n [var [char]] musisz dodać specyfikację długości, jeśli n [var] char musisz przeciąć max_length na pół, jeśli jest to MAX, musisz zmień -1 na MAX itp.). W SQL Server 2012 ta część jest trochę łatwiejsza:

SELECT name, system_type_name, is_nullable FROM
  sys.dm_exec_describe_first_result_set('select * from sys.objects', NULL, 0)

Wyniki:

name                   system_type_name  is_nullable
--------------------   ----------------  -----------
name                   nvarchar(128)     0
object_id              int               0
principal_id           int               1
schema_id              int               0
parent_object_id       int               0
type                   char(2)           0
type_desc              nvarchar(60)      1
create_date            datetime          0
modify_date            datetime          0
is_ms_shipped          bit               0
is_published           bit               0
is_schema_published    bit               0

Pisałem też o tym na blogu.

Prawdopodobnie jest to znacznie bliższe twojemu ukierunkowanemu CREATE TABLEstwierdzeniu niż skomplikowane podejściesys.columns , ale wciąż pozostaje wiele do zrobienia. Klucze, ograniczenia, opcje tekstu w wierszach, informacje o grupie plików, ustawienia kompresji, indeksy itp. To bardzo długa lista i jeszcze raz zasugeruję, abyś spojrzał na to narzędzie zewnętrzne, zamiast ryzykować powtórzenie - wykorzystał analogię, ponownie wymyślając koło.

To powiedziawszy, jeśli musisz to zrobić za pomocą kodu, ale możesz to zrobić poza SQL Server, możesz rozważyć SMO / PowerShell. Zobacz tę wskazówkę i metodę Scripter.Script () .


Pamiętaj, że sys.dm_exec_describe_first_result_set przyniesie ci nvarchar (27) zamiast datetime2, jeśli zostanie wykonany przez OLEDB.
Alsin,

To wcale nie ma być ani antagonistyczne, ani negatywne, ale właśnie dlatego przeniosłem się do Postgres po 20 latach z SQL. Rozwiązaniem Postgres jest: UTWÓRZ TABELĘ tbl2 (JAK Tbl1 WŁĄCZNIE WSZYSTKO); - Tabela duplikatów zawierająca wszystkie komentarze do indeksów itp.
Damien Sawyer

@DamienSawyer Aby być uczciwym, tworzenie szeregu identycznych tabel z tymi samymi indeksami i wszystko inne jest rodzajem zapachu projektu. Istnieje wiele narzędzi innych firm (niektóre bezpłatne, niektóre open source), które mogą pomóc w tym, gdy naprawdę tego potrzebujesz.
Aaron Bertrand

Jasne, @AaronBertrand jest to bardzo prawdziwe w wielu przypadkach, szczególnie w wszechobecnych schematach w stylu 3NF CRUD. Czasami jednak korzystamy z baz danych mniej sztywno, na przykład zbierając razem i usuwając dane z nieformalnych źródeł, takich jak CSV, które mają być migrowane do systemu produkcyjnego. Dla porównania, jednym z powodów, dla których Excel jest świetny, jest to, że skoro skoroszyt może się skomplikować, to ma bardzo niską ceremonię wykonywania tego bardzo prostego. Kawałek papieru może służyć zarówno jako umowa kupna domu, jak i spisania listy zakupów.
Damien Sawyer

@DamienSawyer A jeśli masz proces pośredni, w którym rzecz jest zasadniczo wyrzuconą tabelą pomostową, twierdzę, że nie musi ona zawierać wszystkich indeksów, ograniczeń, rozszerzonych właściwości itp., Które istnieją w tabeli jest wzorowany na. Domyślne zachowanie ma bardzo prawidłowy przypadek użycia, nawet jeśli mogą istnieć inne przypadki użycia.
Aaron Bertrand

9

napisałem ten sp, aby automatycznie utworzyć schemat ze wszystkimi rzeczami, pk, fk, partycjami, ograniczeniami ...

WAŻNY!! przed wykonaniem

create type TestTableType as table (ObjectID int)

tutaj SP:

    SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO


    --*************************************************************************************************'
--    La procedura crea lo script di una tabella
--    Tabella   : xxxxx
--    Creata da : E.Mantovanelli
--    Data creazione : 28-06-2012
--    Data modifica: 28-06-2012
--*************************************************************************************************'

/*
    --      ID----|-----Data-----|--    User        ---------   | ----  Note
                        20-11-2013      E.Mantovanelli                  distinzione schema delle tabelle
                                                                        estrazione da db selezionato
                                                                        aggiunta estrazione partizione
*/

CREATE PROCEDURE [dbo].[util_ScriptTable] 
     @DBName SYSNAME
    ,@schema sysname
    ,@TableName SYSNAME
    ,@IncludeConstraints BIT = 1
    ,@IncludeIndexes BIT = 1
    ,@NewTableSchema sysname
    ,@NewTableName SYSNAME = NULL
    ,@UseSystemDataTypes BIT = 0
    ,@script varchar(max) output
AS 
BEGIN try
    if not exists (select * from sys.types where name = 'TestTableType')
        create type TestTableType as table (ObjectID int)--drop type TestTableType

    declare @sql nvarchar(max)

    DECLARE @MainDefinition TABLE (FieldValue VARCHAR(200))
    --DECLARE @DBName SYSNAME
    DECLARE @ClusteredPK BIT
    DECLARE @TableSchema NVARCHAR(255)

    --SET @DBName = DB_NAME(DB_ID())
    SELECT @TableName = name FROM sysobjects WHERE id = OBJECT_ID(@TableName)

    DECLARE @ShowFields TABLE (FieldID INT IDENTITY(1,1)
                                        ,DatabaseName VARCHAR(100)
                                        ,TableOwner VARCHAR(100)
                                        ,TableName VARCHAR(100)
                                        ,FieldName VARCHAR(100)
                                        ,ColumnPosition INT
                                        ,ColumnDefaultValue VARCHAR(100)
                                        ,ColumnDefaultName VARCHAR(100)
                                        ,IsNullable BIT
                                        ,DataType VARCHAR(100)
                                        ,MaxLength varchar(10)
                                        ,NumericPrecision INT
                                        ,NumericScale INT
                                        ,DomainName VARCHAR(100)
                                        ,FieldListingName VARCHAR(110)
                                        ,FieldDefinition CHAR(1)
                                        ,IdentityColumn BIT
                                        ,IdentitySeed INT
                                        ,IdentityIncrement INT
                                        ,IsCharColumn BIT 
                                        ,IsComputed varchar(255))

    DECLARE @HoldingArea TABLE(FldID SMALLINT IDENTITY(1,1)
                                        ,Flds VARCHAR(4000)
                                        ,FldValue CHAR(1) DEFAULT(0))

    DECLARE @PKObjectID TABLE(ObjectID INT)

    DECLARE @Uniques TABLE(ObjectID INT)

    DECLARE @HoldingAreaValues TABLE(FldID SMALLINT IDENTITY(1,1)
                                                ,Flds VARCHAR(4000)
                                                ,FldValue CHAR(1) DEFAULT(0))

    DECLARE @Definition TABLE(DefinitionID SMALLINT IDENTITY(1,1)
                                        ,FieldValue VARCHAR(200))


  set @sql=
  '
  use '+@DBName+'
  SELECT distinct DB_NAME()
            ,TABLE_SCHEMA
            ,TABLE_NAME
            ,''[''+COLUMN_NAME+'']'' as COLUMN_NAME
            ,CAST(ORDINAL_POSITION AS INT)
            ,COLUMN_DEFAULT
            ,dobj.name AS ColumnDefaultName
            ,CASE WHEN c.IS_NULLABLE = ''YES'' THEN 1 ELSE 0 END
            ,DATA_TYPE
            ,case CHARACTER_MAXIMUM_LENGTH when -1 then ''max'' else CAST(CHARACTER_MAXIMUM_LENGTH AS varchar) end--CAST(CHARACTER_MAXIMUM_LENGTH AS INT)
            ,CAST(NUMERIC_PRECISION AS INT)
            ,CAST(NUMERIC_SCALE AS INT)
            ,DOMAIN_NAME
            ,COLUMN_NAME + '',''
            ,'''' AS FieldDefinition
            ,CASE WHEN ic.object_id IS NULL THEN 0 ELSE 1 END AS IdentityColumn
            ,CAST(ISNULL(ic.seed_value,0) AS INT) AS IdentitySeed
            ,CAST(ISNULL(ic.increment_value,0) AS INT) AS IdentityIncrement
            ,CASE WHEN st.collation_name IS NOT NULL THEN 1 ELSE 0 END AS IsCharColumn 
            ,cc.definition 
            FROM INFORMATION_SCHEMA.COLUMNS c
            JOIN sys.columns sc ON  c.TABLE_NAME = OBJECT_NAME(sc.object_id) AND c.COLUMN_NAME = sc.Name
            LEFT JOIN sys.identity_columns ic ON c.TABLE_NAME = OBJECT_NAME(ic.object_id) AND c.COLUMN_NAME = ic.Name
            JOIN sys.types st ON COALESCE(c.DOMAIN_NAME,c.DATA_TYPE) = st.name
            LEFT OUTER JOIN sys.objects dobj ON dobj.object_id = sc.default_object_id AND dobj.type = ''D''
            left join sys.computed_columns cc on c.TABLE_NAME=OBJECT_NAME(cc.object_id) and sc.column_id=cc.column_id
    WHERE c.TABLE_NAME = @TableName and c.TABLE_SCHEMA=@schema 
    ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
    '

  print @sql
  INSERT INTO @ShowFields( DatabaseName
                                    ,TableOwner
                                    ,TableName
                                    ,FieldName
                                    ,ColumnPosition
                                    ,ColumnDefaultValue
                                    ,ColumnDefaultName
                                    ,IsNullable
                                    ,DataType
                                    ,MaxLength
                                    ,NumericPrecision
                                    ,NumericScale
                                    ,DomainName
                                    ,FieldListingName
                                    ,FieldDefinition
                                    ,IdentityColumn
                                    ,IdentitySeed
                                    ,IdentityIncrement
                                    ,IsCharColumn
                                    ,IsComputed)

    exec sp_executesql @sql,
                       N'@TableName varchar(50),@schema varchar(50)',
                       @TableName=@TableName,@schema=@schema            
    /*
    SELECT @DBName--DB_NAME()
            ,TABLE_SCHEMA
            ,TABLE_NAME
            ,COLUMN_NAME
            ,CAST(ORDINAL_POSITION AS INT)
            ,COLUMN_DEFAULT
            ,dobj.name AS ColumnDefaultName
            ,CASE WHEN c.IS_NULLABLE = 'YES' THEN 1 ELSE 0 END
            ,DATA_TYPE
            ,CAST(CHARACTER_MAXIMUM_LENGTH AS INT)
            ,CAST(NUMERIC_PRECISION AS INT)
            ,CAST(NUMERIC_SCALE AS INT)
            ,DOMAIN_NAME
            ,COLUMN_NAME + ','
            ,'' AS FieldDefinition
            ,CASE WHEN ic.object_id IS NULL THEN 0 ELSE 1 END AS IdentityColumn
            ,CAST(ISNULL(ic.seed_value,0) AS INT) AS IdentitySeed
            ,CAST(ISNULL(ic.increment_value,0) AS INT) AS IdentityIncrement
            ,CASE WHEN st.collation_name IS NOT NULL THEN 1 ELSE 0 END AS IsCharColumn 
            FROM INFORMATION_SCHEMA.COLUMNS c
            JOIN sys.columns sc ON  c.TABLE_NAME = OBJECT_NAME(sc.object_id) AND c.COLUMN_NAME = sc.Name
            LEFT JOIN sys.identity_columns ic ON c.TABLE_NAME = OBJECT_NAME(ic.object_id) AND c.COLUMN_NAME = ic.Name
            JOIN sys.types st ON COALESCE(c.DOMAIN_NAME,c.DATA_TYPE) = st.name
            LEFT OUTER JOIN sys.objects dobj ON dobj.object_id = sc.default_object_id AND dobj.type = 'D'

    WHERE c.TABLE_NAME = @TableName
    ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
    */
    SELECT TOP 1 @TableSchema = TableOwner FROM @ShowFields

    INSERT INTO @HoldingArea (Flds) VALUES('(')

    INSERT INTO @Definition(FieldValue)VALUES('CREATE TABLE ' + CASE WHEN @NewTableName IS NOT NULL THEN @DBName + '.' + @NewTableSchema + '.' + @NewTableName ELSE @DBName + '.' + @TableSchema + '.' + @TableName END)
    INSERT INTO @Definition(FieldValue)VALUES('(')
    INSERT INTO @Definition(FieldValue)
    SELECT   CHAR(10) + FieldName + ' ' + 
        --CASE WHEN DomainName IS NOT NULL AND @UseSystemDataTypes = 0 THEN DomainName + CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END ELSE UPPER(DataType) +CASE WHEN IsCharColumn = 1 THEN '(' + CAST(MaxLength AS VARCHAR(10)) + ')' ELSE '' END +CASE WHEN IdentityColumn = 1 THEN ' IDENTITY(' + CAST(IdentitySeed AS VARCHAR(5))+ ',' + CAST(IdentityIncrement AS VARCHAR(5)) + ')' ELSE '' END +CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END +CASE WHEN ColumnDefaultName IS NOT NULL AND @IncludeConstraints = 1 THEN 'CONSTRAINT [' + ColumnDefaultName + '] DEFAULT' + UPPER(ColumnDefaultValue) ELSE '' END END + CASE WHEN FieldID = (SELECT MAX(FieldID) FROM @ShowFields) THEN '' ELSE ',' END 

        CASE WHEN DomainName IS NOT NULL AND @UseSystemDataTypes = 0 THEN DomainName + 
            CASe WHEN IsNullable = 1 THEN ' NULL ' 
            ELSE ' NOT NULL ' 
            END 
        ELSE 
            case when IsComputed is null then
                UPPER(DataType) +
                CASE WHEN IsCharColumn = 1 THEN '(' + CAST(MaxLength AS VARCHAR(10)) + ')' 
                ELSE 
                    CASE WHEN DataType = 'numeric' THEN '(' + CAST(NumericPrecision AS VARCHAR(10))+','+ CAST(NumericScale AS VARCHAR(10)) + ')' 
                    ELSE
                        CASE WHEN DataType = 'decimal' THEN '(' + CAST(NumericPrecision AS VARCHAR(10))+','+ CAST(NumericScale AS VARCHAR(10)) + ')' 
                        ELSE '' 
                        end  
                    end 
                END +
                CASE WHEN IdentityColumn = 1 THEN ' IDENTITY(' + CAST(IdentitySeed AS VARCHAR(5))+ ',' + CAST(IdentityIncrement AS VARCHAR(5)) + ')' 
                ELSE '' 
                END +
                CASE WHEN IsNullable = 1 THEN ' NULL ' 
                ELSE ' NOT NULL ' 
                END +
                CASE WHEN ColumnDefaultName IS NOT NULL AND @IncludeConstraints = 1 THEN 'CONSTRAINT [' + replace(ColumnDefaultName,@TableName,@NewTableName) + '] DEFAULT' + UPPER(ColumnDefaultValue) 
                ELSE '' 
                END 
            else
                ' as '+IsComputed+' '
            end
        END + 
        CASE WHEN FieldID = (SELECT MAX(FieldID) FROM @ShowFields) THEN '' 
        ELSE ',' 
        END 

    FROM    @ShowFields

    IF @IncludeConstraints = 1
        BEGIN    

        set @sql=
        '
        use '+@DBName+'
        SELECT  distinct  '',CONSTRAINT ['' + replace(name,@TableName,@NewTableName) + ''] FOREIGN KEY ('' + ParentColumns + '') REFERENCES ['' + ReferencedObject + '']('' + ReferencedColumns + '')'' 
           FROM ( SELECT   ReferencedObject = OBJECT_NAME(fk.referenced_object_id), ParentObject = OBJECT_NAME(parent_object_id),fk.name
                ,   REVERSE(SUBSTRING(REVERSE((   SELECT cp.name + '',''   
                FROM   sys.foreign_key_columns fkc   
                JOIN sys.columns cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id   
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ParentColumns,   
                REVERSE(SUBSTRING(REVERSE((   SELECT cr.name + '',''   
                FROM   sys.foreign_key_columns fkc  
                JOIN sys.columns cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ReferencedColumns   
                FROM sys.foreign_keys fk    
                    inner join sys.schemas s on fk.schema_id=s.schema_id and s.name=@schema) a    
            WHERE ParentObject = @TableName    
        '

        print @sql

        INSERT INTO @Definition(FieldValue)
        exec sp_executesql @sql,
                   N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)',
                       @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema
            /*
           SELECT    ',CONSTRAINT [' + name + '] FOREIGN KEY (' + ParentColumns + ') REFERENCES [' + ReferencedObject + '](' + ReferencedColumns + ')'  
           FROM ( SELECT   ReferencedObject = OBJECT_NAME(fk.referenced_object_id), ParentObject = OBJECT_NAME(parent_object_id),fk.name
                ,   REVERSE(SUBSTRING(REVERSE((   SELECT cp.name + ','   
                FROM   sys.foreign_key_columns fkc   
                JOIN sys.columns cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id   
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('')   )), 2, 8000)) ParentColumns,   
                REVERSE(SUBSTRING(REVERSE((   SELECT cr.name + ','   
                FROM   sys.foreign_key_columns fkc  
                JOIN sys.columns cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('')   )), 2, 8000)) ReferencedColumns   
                FROM sys.foreign_keys fk    ) a    
            WHERE ParentObject = @TableName    
            */

            set @sql=
            '
            use '+@DBName+'
            SELECT distinct '',CONSTRAINT ['' + replace(c.name,@TableName,@NewTableName) + ''] CHECK '' + definition 
            FROM sys.check_constraints c join sys.schemas s on c.schema_id=s.schema_id and s.name=@schema    
            WHERE OBJECT_NAME(parent_object_id) = @TableName
            '

            print @sql
            INSERT INTO @Definition(FieldValue) 
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)',
                       @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema
            /*
            SELECT ',CONSTRAINT [' + name + '] CHECK ' + definition FROM sys.check_constraints    
            WHERE OBJECT_NAME(parent_object_id) = @TableName
            */

            set @sql=
            '
            use '+@DBName+'
            SELECT DISTINCT  PKObject = cco.object_id 
            FROM    sys.key_constraints cco    
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id    
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName    AND  i.type = 1 AND    is_primary_key = 1
            '
            print @sql
            INSERT INTO @PKObjectID(ObjectID) 
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@schema varchar(50)',
                               @TableName=@TableName,@schema=@schema
            /*
            SELECT DISTINCT  PKObject = cco.object_id 
            FROM    sys.key_constraints cco    
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id    
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            WHERE    OBJECT_NAME(parent_object_id) = @TableName    AND  i.type = 1 AND    is_primary_key = 1
            */

            set @sql=
            '
            use '+@DBName+'
            SELECT DISTINCT    PKObject = cco.object_id
            FROM    sys.key_constraints cco   
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id  
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName AND  i.type = 2 AND    is_primary_key = 0 AND    is_unique_constraint = 1
            '
            print @sql
            INSERT INTO @Uniques(ObjectID)
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@schema varchar(50)',
                               @TableName=@TableName,@schema=@schema
            /*
            SELECT DISTINCT    PKObject = cco.object_id
            FROM    sys.key_constraints cco   
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id  
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            WHERE    OBJECT_NAME(parent_object_id) = @TableName AND  i.type = 2 AND    is_primary_key = 0 AND    is_unique_constraint = 1
            */

            SET @ClusteredPK = CASE WHEN @@ROWCOUNT > 0 THEN 1 ELSE 0 END

            declare @t TestTableType
            insert @t select * from @PKObjectID
            declare @u TestTableType
            insert @u select * from @Uniques

            set @sql=
            '
            use '+@DBName+'
            SELECT distinct '',CONSTRAINT '' + replace(cco.name,@TableName,@NewTableName) + CASE type WHEN ''PK'' THEN '' PRIMARY KEY '' + CASE WHEN pk.ObjectID IS NULL THEN '' NONCLUSTERED '' ELSE '' CLUSTERED '' END  WHEN ''UQ'' THEN '' UNIQUE '' END + CASE WHEN u.ObjectID IS NOT NULL THEN '' NONCLUSTERED '' ELSE '''' END 
            + ''(''+REVERSE(SUBSTRING(REVERSE(( SELECT   c.name +  + CASE WHEN cc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''    
            FROM   sys.key_constraints ccok   
            LEFT JOIN sys.index_columns cc ON ccok.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id
            LEFT JOIN sys.columns c ON cc.object_id = c.object_id AND cc.column_id = c.column_id 
            LEFT JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id  
            WHERE i.object_id = ccok.parent_object_id AND   ccok.object_id = cco.object_id    
            order by key_ordinal FOR XML PATH(''''))), 2, 8000)) + '')''
            FROM sys.key_constraints cco 
            inner join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            LEFT JOIN @U u ON cco.object_id = u.objectID
            LEFT JOIN @t pk ON cco.object_id = pk.ObjectID    
            WHERE    OBJECT_NAME(cco.parent_object_id) = @TableName 

            '

            print @sql
            INSERT INTO @Definition(FieldValue)
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50),@t TestTableType readonly,@u TestTableType readonly',
                               @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema,@t=@t,@u=@u

            /*
            SELECT ',CONSTRAINT ' + name + CASE type WHEN 'PK' THEN ' PRIMARY KEY ' + CASE WHEN pk.ObjectID IS NULL THEN ' NONCLUSTERED ' ELSE ' CLUSTERED ' END  WHEN 'UQ' THEN ' UNIQUE ' END + CASE WHEN u.ObjectID IS NOT NULL THEN ' NONCLUSTERED ' ELSE '' END 
            + '(' +REVERSE(SUBSTRING(REVERSE(( SELECT   c.name +  + CASE WHEN cc.is_descending_key = 1 THEN ' DESC' ELSE ' ASC' END + ','    
            FROM   sys.key_constraints ccok   
            LEFT JOIN sys.index_columns cc ON ccok.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id
           LEFT JOIN sys.columns c ON cc.object_id = c.object_id AND cc.column_id = c.column_id 
           LEFT JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id  
           WHERE i.object_id = ccok.parent_object_id AND   ccok.object_id = cco.object_id    FOR XML PATH(''))), 2, 8000)) + ')'
           FROM sys.key_constraints cco 
           LEFT JOIN @PKObjectID pk ON cco.object_id = pk.ObjectID    
           LEFT JOIN @Uniques u ON cco.object_id = u.objectID
           WHERE    OBJECT_NAME(cco.parent_object_id) = @TableName 
           */
        END

        INSERT INTO @Definition(FieldValue) VALUES(')')

        set @sql=
        '
        use '+@DBName+'
        select '' on '' + d.name + ''([''+c.name+''])''
        from sys.tables t join sys.indexes i on(i.object_id = t.object_id and i.index_id < 2)
                          join sys.index_columns ic on(ic.partition_ordinal > 0 and ic.index_id = i.index_id and ic.object_id = t.object_id)
                          join sys.columns c on(c.object_id = ic.object_id and c.column_id = ic.column_id)
                          join sys.schemas s on t.schema_id=s.schema_id
                          join sys.data_spaces d on i.data_space_id=d.data_space_id
        where t.name=@TableName and s.name=@schema
        order by key_ordinal
        '

        print 'x'
        print @sql
        INSERT INTO @Definition(FieldValue) 
        exec sp_executesql @sql,
                           N'@TableName varchar(50),@schema varchar(50)',
                           @TableName=@TableName,@schema=@schema

        IF @IncludeIndexes = 1
        BEGIN
            set @sql=
            '
            use '+@DBName+'
            SELECT distinct '' CREATE '' + i.type_desc + '' INDEX ['' + replace(i.name COLLATE SQL_Latin1_General_CP1_CI_AS,@TableName,@NewTableName) + ''] ON '+@DBName+'.'+@NewTableSchema+'.'+@NewTableName+' ('' 
            +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=0
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000)) + '')''+
            ISNULL( '' include (''+REVERSE(SUBSTRING(REVERSE((   SELECT name + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=1
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000))+'')'' ,'''')+''''    
            FROM sys.indexes i join sys.tables t on i.object_id=t.object_id
                               join sys.schemas s on t.schema_id=s.schema_id   
            AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND i.type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 
                where t.name=@TableName and s.name=@schema
            '

            print @sql
            INSERT INTO @Definition(FieldValue)    
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50), @ClusteredPK bit',
                               @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema,@ClusteredPK=@ClusteredPK

        END 

            /*

                SELECT   'CREATE ' + type_desc + ' INDEX [' + [name] COLLATE SQL_Latin1_General_CP1_CI_AS + '] ON [' +  OBJECT_NAME(object_id) + '] (' +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN ' DESC' ELSE ' ASC' END + ','   
                FROM  sys.index_columns sc  
                JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
                WHERE  OBJECT_NAME(sc.object_id) = @TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                ORDER BY index_column_id ASC   FOR XML PATH('')    )), 2, 8000)) + ')'    
                FROM sys.indexes i    
                WHERE   OBJECT_NAME(object_id) = @TableName
                AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 

            */

            INSERT INTO @MainDefinition(FieldValue)   
            SELECT FieldValue FROM @Definition    
            ORDER BY DefinitionID ASC 

            ----------------------------------

            declare @q  varchar(max)

            set @q=(select replace((SELECT FieldValue FROM @MainDefinition FOR XML PATH('')),'</FieldValue>',''))

            set @script=(select REPLACE(@q,'<FieldValue>',''))
            --drop type TestTableType
END try
-- ##############################################################################################################################################################################
BEGIN CATCH        
    BEGIN
        -- INIZIO  Procedura in errore =========================================================================================================================================================
            PRINT '***********************************************************************************************************************************************************' 
            PRINT 'ErrorNumber               : ' + CAST(ERROR_NUMBER() AS NVARCHAR(MAX))
            PRINT 'ErrorSeverity             : ' + CAST(ERROR_SEVERITY() AS NVARCHAR(MAX)) 
            PRINT 'ErrorState                : ' + CAST(ERROR_STATE() AS NVARCHAR(MAX)) 
            PRINT 'ErrorLine                 : ' + CAST(ERROR_LINE() AS NVARCHAR(MAX)) 
            PRINT 'ErrorMessage              : ' + CAST(ERROR_MESSAGE() AS NVARCHAR(MAX))
            PRINT '***********************************************************************************************************************************************************' 
        -- FINE  Procedura in errore =========================================================================================================================================================
    END 
        set @script=''
    return -1
END CATCH   
-- ##############################################################################################################################################################################   

wykonać:

declare @s varchar(max)
exec [util_ScriptTable]   'db','schema_source','table_source',1,1,'schema_dest','tab_dest',0,@s output
select @s

to nie działa !!
itzik Paz

Zaktualizowałem skrypt: poprawiłem obsługę kolumn TEKSTOWYCH i dodałem możliwość tworzenia tabeli i kopiowania danych. Można go użyć zamiast „SELECT * INTO NewTable FROM OldTable”, który kopiował dane, ale nie schemat. Zobacz gist.github.com/MNF/eb905c7ec215670a3abc62f9c2cf9d7b
MiFreidgeim SO-przestań być zły

4

Może to być użycie młota pneumatycznego do wbicia gwoździa w ścianę, ale biorąc pod uwagę szeroki zakres pytania, myślę, że warto o tym wspomnieć.

Jeśli korzystasz z SQL Server 2012 SP4 +, 2014 SP2 + lub 2016 SP1 +, możesz użyć dźwigni, DBCC CLONEDATABASEaby utworzyć kopię bazy danych bez danych tylko do schematu. Jest to idealne rozwiązanie do generowania kompleksowych kopii schematu wielu tabel i może zmniejszyć potrzebę „automatyzacji” procesu zapętlania szeregu tabel, ale należy pamiętać, że wszystkie kopie tabel zostaną utworzone w nowej bazie danych tylko do odczytu .

Te tabele będą zawierać klucze obce, klucze podstawowe, indeksy i ograniczenia. Będą również zawierać statystyki i dane z magazynu zapytań (chyba że określisz NO_STATISTICSi NO_QUERYSTORE).

Składnia jest następująca

DBCC CLONEDATABASE (source_database_name, target_database_name)[WITH [NO_STATISTICS][,NO_QUERYSTORE]] 

Jest też kilka innych zastrzeżeń, o których Brent Ozar ma świetny post , ale wszystko naprawdę sprowadza się do tego, jak i dlaczego chcesz tworzyć kopie tabel, czy któraś z subtelności jest łamaczem, czy nie .


3

Możesz użyć polecenia „Generuj skrypt” w SQL Server Management Studio, aby uzyskać skrypt, który może utworzyć Twoją tabelę, w tym indeksy, wyzwalacze, klucze obce itp.

W SSMS

  • Kliknij prawym przyciskiem myszy bazę danych, w której znajduje się tabela
  • Wybierz Zadania -> Generuj skrypty
  • Wybierz „Wybierz określone obiekty bazy danych”
  • Rozwiń listę „Tabele” i zaznacz pole wyboru obok tabeli, którą chcesz skryptować
  • Kliknij „Dalej”, aby przejść do następnej strony kreatora
  • Ustaw opcje zapisywania tak, jak chcesz, a następnie kliknij przycisk „Zaawansowane”
  • Ustaw zaawansowane opcje tak, jak chcesz. W szczególności w „Opcjach tabeli / widoku” zwróć uwagę, że (domyślnie) indeksy, wyzwalacze i indeksy pełnotekstowe nie są skryptowane; jeśli chcesz, zmień je z „False” na „True”
  • Po zakończeniu kliknij „OK”, aby zapisać zaawansowane opcje, i „Dalej”, aby przejrzeć wybrane opcje. Kliknij ponownie „Dalej”, aby faktycznie wygenerować skrypt.

Następnie możesz edytować, aby uwzględnić tylko to, czego potrzebujesz w docelowej bazie danych.


0

Oto wersja oparta na wersji E.Mantovanelli w tym wątku. Rozwiązuje to problem polegający na tym, że unikalny indeks nie zawiera słowa kluczowego UNIQUE w skrypcie wynikowym. Dodaje również parametry, dzięki czemu można utworzyć tabelę bez indeksów nieklastrowanych lub można jedynie skryptować indeksy nieklastrowane. Używam tego do utworzenia tabeli stołu montażowego, załadowania, dodania indeksów nieklastrowanych, a następnie przełączenia tabeli, które pozwalają na szybsze ładowanie, a indeksy nie są pofragmentowane.

SET ANSI_NULLS ON;
GO

SET QUOTED_IDENTIFIER ON;
GO

--*************************************************************************************************'
--    La procedura crea lo script di una tabella
--    Tabella   : xxxxx
--    Creata da : E.Mantovanelli
--    Data creazione : 28-06-2012
--    Data modifica: 28-06-2012
--*************************************************************************************************'

/*
    --      ID----|-----Data-----|--    User        ---------   | ----  Note
                        20-11-2013      E.Mantovanelli                  distinzione schema delle tabelle
                                                                        estrazione da db selezionato
                                                                        aggiunta estrazione partizione
*/
--*************************************************************************************************'
--    Creates a copy of a table with optionally all indexes and constraints depending on parameters
--    Updated by : Brent Willis
--    Date Updated : 09-11-2019
--    Changes: Added the ability to create a table with clustered index and constraints only or to 
--             CREATE just the non-clustered indexes. This is helpful so a table can be created, 
--             loaded then non-clusted indexes added so it can them be swapped into a partitioned 
--             table with freshly created indexes to lower fragmentation. 
--
--             Also fixed an issue when a unique index was defined the index resulting table was not unique. 
--*************************************************************************************************'

ALTER PROCEDURE dbo.util_ScriptTable
    @DBName                sysname
  , @schema                sysname
  , @TableName             sysname
  , @includeTable          Bit     = 1
  , @IncludeConstraints    Bit     = 1
  , @IncludeClusteredIndex Bit     = 1
  , @IncludeIndexes        Bit     = 1
  , @NewTableSchema        sysname
  , @NewTableName          sysname = NULL
  , @UseSystemDataTypes    Bit     = 0
  , @script                Varchar(MAX) OUTPUT
AS
    BEGIN TRY
        IF NOT EXISTS (SELECT * FROM sys.types WHERE name = 'TestTableType')
            CREATE TYPE TestTableType AS TABLE (ObjectID Int); --drop type TestTableType

        DECLARE @sql NVarchar(MAX);

        DECLARE @MainDefinition Table (FieldValue Varchar(200));

        --DECLARE @DBName SYSNAME
        DECLARE @ClusteredPK Bit;
        DECLARE @TableSchema NVarchar(255);

        --SET @DBName = DB_NAME(DB_ID())
        SELECT @TableName = name FROM sys.sysobjects WHERE id = Object_Id(@TableName);

        DECLARE @ShowFields Table (FieldID            Int IDENTITY(1, 1)
                                 , DatabaseName       Varchar(100)
                                 , TableOwner         Varchar(100)
                                 , TableName          Varchar(100)
                                 , FieldName          Varchar(100)
                                 , ColumnPosition     Int
                                 , ColumnDefaultValue Varchar(100)
                                 , ColumnDefaultName  Varchar(100)
                                 , IsNullable         Bit
                                 , DataType           Varchar(100)
                                 , MaxLength          Varchar(10)
                                 , NumericPrecision   Int
                                 , NumericScale       Int
                                 , DomainName         Varchar(100)
                                 , FieldListingName   Varchar(110)
                                 , FieldDefinition    Char(1)
                                 , IdentityColumn     Bit
                                 , IdentitySeed       Int
                                 , IdentityIncrement  Int
                                 , IsCharColumn       Bit
                                 , IsComputed         Varchar(255));

        DECLARE @HoldingArea Table (FldID SmallInt IDENTITY(1, 1), Flds Varchar(4000), FldValue Char(1) DEFAULT (0));

        DECLARE @PKObjectID Table (ObjectID Int);

        DECLARE @Uniques Table (ObjectID Int);

        DECLARE @Definition Table (DefinitionID SmallInt IDENTITY(1, 1), FieldValue Varchar(2000));

        SET @sql = N'
  use ' + @DBName + N'
  SELECT distinct DB_NAME()
            ,TABLE_SCHEMA
            ,TABLE_NAME
            ,''[''+COLUMN_NAME+'']'' as COLUMN_NAME
            ,CAST(ORDINAL_POSITION AS INT)
            ,COLUMN_DEFAULT
            ,dobj.name AS ColumnDefaultName
            ,CASE WHEN c.IS_NULLABLE = ''YES'' THEN 1 ELSE 0 END
            ,DATA_TYPE
            ,case CHARACTER_MAXIMUM_LENGTH when -1 then ''max'' else CAST(CHARACTER_MAXIMUM_LENGTH AS varchar) end--CAST(CHARACTER_MAXIMUM_LENGTH AS INT)
            ,CAST(NUMERIC_PRECISION AS INT)
            ,CAST(NUMERIC_SCALE AS INT)
            ,DOMAIN_NAME
            ,COLUMN_NAME + '',''
            ,'''' AS FieldDefinition
            ,CASE WHEN ic.object_id IS NULL THEN 0 ELSE 1 END AS IdentityColumn
            ,CAST(ISNULL(ic.seed_value,0) AS INT) AS IdentitySeed
            ,CAST(ISNULL(ic.increment_value,0) AS INT) AS IdentityIncrement
            ,CASE WHEN st.collation_name IS NOT NULL THEN 1 ELSE 0 END AS IsCharColumn 
            ,cc.definition 
            FROM INFORMATION_SCHEMA.COLUMNS c
            JOIN sys.columns sc ON  c.TABLE_NAME = OBJECT_NAME(sc.object_id) AND c.COLUMN_NAME = sc.Name
            LEFT JOIN sys.identity_columns ic ON c.TABLE_NAME = OBJECT_NAME(ic.object_id) AND c.COLUMN_NAME = ic.Name
            JOIN sys.types st ON COALESCE(c.DOMAIN_NAME,c.DATA_TYPE) = st.name
            LEFT OUTER JOIN sys.objects dobj ON dobj.object_id = sc.default_object_id AND dobj.type = ''D''
            left join sys.computed_columns cc on c.TABLE_NAME=OBJECT_NAME(cc.object_id) and sc.column_id=cc.column_id
    WHERE c.TABLE_NAME = @TableName and c.TABLE_SCHEMA=@schema 
    ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
    '   ;

        --PRINT @sql;
        INSERT INTO @ShowFields (DatabaseName
                               , TableOwner
                               , TableName
                               , FieldName
                               , ColumnPosition
                               , ColumnDefaultValue
                               , ColumnDefaultName
                               , IsNullable
                               , DataType
                               , MaxLength
                               , NumericPrecision
                               , NumericScale
                               , DomainName
                               , FieldListingName
                               , FieldDefinition
                               , IdentityColumn
                               , IdentitySeed
                               , IdentityIncrement
                               , IsCharColumn
                               , IsComputed)
        EXEC sys.sp_executesql @sql
                             , N'@TableName varchar(50),@schema varchar(50)'
                             , @TableName = @TableName
                             , @schema = @schema;

        SELECT TOP 1 @TableSchema = TableOwner FROM @ShowFields;

        INSERT INTO @HoldingArea (Flds) VALUES ('(');

        IF @includeTable = 1
            BEGIN
                INSERT INTO @Definition (FieldValue)
                VALUES
                (   'CREATE TABLE ' + CASE
                                          WHEN @NewTableName IS NOT NULL THEN
                                              @DBName + '.' + @NewTableSchema + '.' + @NewTableName
                                          ELSE
                                              @DBName + '.' + @TableSchema + '.' + @TableName
                                      END);

                INSERT INTO @Definition (FieldValue) VALUES ('(');

                INSERT INTO @Definition (FieldValue)
                SELECT Char(10) + FieldName + ' '
                       + CASE
                             WHEN DomainName IS NOT NULL AND @UseSystemDataTypes = 0 THEN
                                 DomainName + CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END
                             ELSE
                                 CASE
                                     WHEN IsComputed IS NULL THEN
                                         Upper(DataType)
                                         + CASE
                                               WHEN IsCharColumn = 1 THEN
                                                   '(' + Cast(MaxLength AS Varchar(10)) + ')'
                                               ELSE
                                                   CASE
                                                       WHEN DataType = 'numeric' THEN
                                                           '(' + Cast(NumericPrecision AS Varchar(10)) + ','
                                                           + Cast(NumericScale AS Varchar(10)) + ')'
                                                       ELSE
                                                           CASE
                                                               WHEN DataType = 'decimal' THEN
                                                                   '(' + Cast(NumericPrecision AS Varchar(10)) + ','
                                                                   + Cast(NumericScale AS Varchar(10)) + ')'
                                                               ELSE
                                                                   ''
                                                           END
                                                   END
                                           END
                                         + CASE
                                               WHEN IdentityColumn = 1 THEN
                                                   ' IDENTITY(' + Cast(IdentitySeed AS Varchar(5)) + ','
                                                   + Cast(IdentityIncrement AS Varchar(5)) + ')'
                                               ELSE
                                                   ''
                                           END + CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END
                                         + CASE
                                               WHEN ColumnDefaultName IS NOT NULL AND @IncludeConstraints = 1 THEN
                                                   'CONSTRAINT ['
                                                   + Replace(ColumnDefaultName, @TableName, @NewTableName)
                                                   + '] DEFAULT' + Upper(ColumnDefaultValue)
                                               ELSE
                                                   ''
                                           END
                                     ELSE
                                         ' as ' + IsComputed + ' '
                                 END
                         END + CASE
                                   WHEN FieldID = (SELECT Max(FieldID)FROM @ShowFields) THEN
                                       ''
                                   ELSE
                                       ','
                               END
                FROM @ShowFields;

                --------------------------------------------------
                IF @IncludeConstraints = 1
                    BEGIN
                        SET @sql = N'
        use ' +         @DBName + N'
        SELECT  distinct  '',CONSTRAINT ['' + replace(name,@TableName,@NewTableName) + ''] FOREIGN KEY ('' + ParentColumns + '') REFERENCES ['' + ReferencedObject + '']('' + ReferencedColumns + '')'' 
           FROM ( SELECT   ReferencedObject = OBJECT_NAME(fk.referenced_object_id), ParentObject = OBJECT_NAME(parent_object_id),fk.name
                ,   REVERSE(SUBSTRING(REVERSE((   SELECT cp.name + '',''   
                FROM   sys.foreign_key_columns fkc   
                JOIN sys.columns cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id   
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ParentColumns,   
                REVERSE(SUBSTRING(REVERSE((   SELECT cr.name + '',''   
                FROM   sys.foreign_key_columns fkc  
                JOIN sys.columns cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ReferencedColumns   
                FROM sys.foreign_keys fk    
                    inner join sys.schemas s on fk.schema_id=s.schema_id and s.name=@schema) a    
            WHERE ParentObject = @TableName    
        '               ;

                        --PRINT @sql;
                        INSERT INTO @Definition (FieldValue)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @NewTableName = @NewTableName
                                             , @schema = @schema;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT distinct '',CONSTRAINT ['' + replace(c.name,@TableName,@NewTableName) + ''] CHECK '' + definition 
            FROM sys.check_constraints c join sys.schemas s on c.schema_id=s.schema_id and s.name=@schema    
            WHERE OBJECT_NAME(parent_object_id) = @TableName
            '           ;

                        --PRINT @sql;
                        INSERT INTO @Definition (FieldValue)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @NewTableName = @NewTableName
                                             , @schema = @schema;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT DISTINCT  PKObject = cco.object_id 
            FROM    sys.key_constraints cco    
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id    
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName    AND  i.type = 1 AND    is_primary_key = 1
            '           ;

                        --PRINT @sql;
                        INSERT INTO @PKObjectID (ObjectID)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @schema = @schema;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT DISTINCT    PKObject = cco.object_id
            FROM    sys.key_constraints cco   
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id  
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName AND  i.type = 2 AND    is_primary_key = 0 AND    is_unique_constraint = 1
            '           ;

                        --PRINT @sql;
                        INSERT INTO @Uniques (ObjectID)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @schema = @schema;

                        SET @ClusteredPK = CASE WHEN @@ROWCOUNT > 0 THEN 1 ELSE 0 END;

                        DECLARE @t TestTableType;

                        INSERT @t SELECT * FROM @PKObjectID;

                        DECLARE @u TestTableType;

                        INSERT @u SELECT * FROM @Uniques;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT distinct '',CONSTRAINT '' + replace(cco.name,@TableName,@NewTableName) + CASE type WHEN ''PK'' THEN '' PRIMARY KEY '' + CASE WHEN pk.ObjectID IS NULL THEN '' NONCLUSTERED '' ELSE '' CLUSTERED '' END  WHEN ''UQ'' THEN '' UNIQUE '' END + CASE WHEN u.ObjectID IS NOT NULL THEN '' NONCLUSTERED '' ELSE '''' END 
            + ''(''+REVERSE(SUBSTRING(REVERSE(( SELECT   c.name +  + CASE WHEN cc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''    
            FROM   sys.key_constraints ccok   
            LEFT JOIN sys.index_columns cc ON ccok.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id
            LEFT JOIN sys.columns c ON cc.object_id = c.object_id AND cc.column_id = c.column_id 
            LEFT JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id  
            WHERE i.object_id = ccok.parent_object_id AND   ccok.object_id = cco.object_id    
            order by key_ordinal FOR XML PATH(''''))), 2, 8000)) + '')''
            FROM sys.key_constraints cco 
            inner join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            LEFT JOIN @U u ON cco.object_id = u.objectID
            LEFT JOIN @t pk ON cco.object_id = pk.ObjectID    
            WHERE    OBJECT_NAME(cco.parent_object_id) = @TableName 

            '           ;

                        --PRINT @sql;
                        INSERT INTO @Definition (FieldValue)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50),@t TestTableType readonly,@u TestTableType readonly'
                                             , @TableName = @TableName
                                             , @NewTableName = @NewTableName
                                             , @schema = @schema
                                             , @t = @t
                                             , @u = @u;
                    END;

                INSERT INTO @Definition (FieldValue) VALUES (')');
            END;

        SET @sql = N'
        use ' + @DBName
                   + N'
        select '' on '' + d.name + ''([''+c.name+''])''
        from sys.tables t join sys.indexes i on(i.object_id = t.object_id and i.index_id < 2)
                          join sys.index_columns ic on(ic.partition_ordinal > 0 and ic.index_id = i.index_id and ic.object_id = t.object_id)
                          join sys.columns c on(c.object_id = ic.object_id and c.column_id = ic.column_id)
                          join sys.schemas s on t.schema_id=s.schema_id
                          join sys.data_spaces d on i.data_space_id=d.data_space_id
        where t.name=@TableName and s.name=@schema
        order by key_ordinal
        ';

        PRINT 'x';

        --PRINT @sql;
        INSERT INTO @Definition (FieldValue)
        EXEC sys.sp_executesql @sql
                             , N'@TableName varchar(50),@schema varchar(50)'
                             , @TableName = @TableName
                             , @schema = @schema;

        IF @IncludeClusteredIndex = 1
            BEGIN
                SET @sql = N'
            use ' + @DBName
                           + N'
            SELECT distinct '' CREATE '' + CASE WHEN i.is_unique = 1 THEN ''UNIQUE '' ELSE '''' end + i.type_desc + '' INDEX ['' + replace(i.name COLLATE SQL_Latin1_General_CP1_CI_AS,@TableName,@NewTableName) + ''] ON '
                           + @DBName + N'.' + @NewTableSchema + N'.' + @NewTableName
                           + N' ('' 
            +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=0
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000)) + '')''+
            ISNULL( '' include (''+REVERSE(SUBSTRING(REVERSE((   SELECT name + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=1 
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000))+'')'' ,'''')+''''    
            FROM sys.indexes i join sys.tables t on i.object_id=t.object_id
                               join sys.schemas s on t.schema_id=s.schema_id   
            AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND i.type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 
                where t.name=@TableName and s.name=@schema and i.type_desc = ''CLUSTERED''
            '   ;

                --PRINT @sql;
                INSERT INTO @Definition (FieldValue)
                EXEC sys.sp_executesql @sql
                                     , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50), @ClusteredPK bit'
                                     , @TableName = @TableName
                                     , @NewTableName = @NewTableName
                                     , @schema = @schema
                                     , @ClusteredPK = @ClusteredPK;
            END;

        IF @IncludeIndexes = 1
            BEGIN
                SET @sql = N'
            use ' + @DBName
                           + N'
            SELECT distinct '' CREATE '' + CASE WHEN i.is_unique = 1 THEN ''UNIQUE '' ELSE '''' end + i.type_desc + '' INDEX ['' + replace(i.name COLLATE SQL_Latin1_General_CP1_CI_AS,@TableName,@NewTableName) + ''] ON '
                           + @DBName + N'.' + @NewTableSchema + N'.' + @NewTableName
                           + N' ('' 
            +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=0
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000)) + '')''+
            ISNULL( '' include (''+REVERSE(SUBSTRING(REVERSE((   SELECT name + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=1 
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000))+'')'' ,'''')+''''    
            FROM sys.indexes i join sys.tables t on i.object_id=t.object_id
                               join sys.schemas s on t.schema_id=s.schema_id   
            AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND i.type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 
                where t.name=@TableName and s.name=@schema and i.type_desc <> ''CLUSTERED''
            '   ;

                PRINT @sql;

                INSERT INTO @Definition (FieldValue)
                EXEC sys.sp_executesql @sql
                                     , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50), @ClusteredPK bit'
                                     , @TableName = @TableName
                                     , @NewTableName = @NewTableName
                                     , @schema = @schema
                                     , @ClusteredPK = @ClusteredPK;
            END;

        --SELECT * FROM @Definition;
        INSERT INTO @MainDefinition (FieldValue)
        SELECT FieldValue FROM @Definition ORDER BY DefinitionID ASC;

        --SELECT * FROM @MainDefinition;

        ----------------------------------
        DECLARE @q Varchar(MAX);

        SET @q = (SELECT Replace((SELECT FieldValue FROM @MainDefinition FOR XML PATH('')), '</FieldValue>', ''));
        SET @script = (SELECT Replace(@q, '<FieldValue>', ''));
    END TRY
    -- ##############################################################################################################################################################################
    BEGIN CATCH
        BEGIN
            -- INIZIO  Procedura in errore =========================================================================================================================================================
            PRINT '***********************************************************************************************************************************************************';
            PRINT 'ErrorNumber               : ' + Cast(Error_Number() AS NVarchar(MAX));
            PRINT 'ErrorSeverity             : ' + Cast(Error_Severity() AS NVarchar(MAX));
            PRINT 'ErrorState                : ' + Cast(Error_State() AS NVarchar(MAX));
            PRINT 'ErrorLine                 : ' + Cast(Error_Line() AS NVarchar(MAX));
            PRINT 'ErrorMessage              : ' + Cast(Error_Message() AS NVarchar(MAX));
            PRINT '***********************************************************************************************************************************************************';
        -- FINE  Procedura in errore =========================================================================================================================================================
        END;

        SET @script = '';

        RETURN -1;
    END CATCH;
-- ##############################################################################################################################################################################   

-1

Możesz użyć tego skryptu, aby skopiować strukturę tabeli z kluczami obcymi, ale bez indeksów. Ten skrypt z wdziękiem obsługuje typy zdefiniowane przez użytkownika i kolumny obliczane.

--\
---) Author: Hans Michiels
---) Script to copy a sql server table structure with foreign keys but without indexes.
---) This script handles user defined types and computed columns gracefully.
--/
/*
(c) Copyright 2016 - hansmichiels.com

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

--\
---) VARIABLES DECLARATIONS
--/
DECLARE @CrLf NVARCHAR(2) 
DECLARE @Indent NVARCHAR(2) 
DECLARE @nsql NVARCHAR(MAX)
DECLARE @SimulationMode CHAR(1) 
DECLARE @SourceSchemaAndTable NVARCHAR(260) 
DECLARE @TargetSchemaAndTable NVARCHAR(260) 
DECLARE @FkNameSuffix NVARCHAR(128)
DECLARE @TableOptions NVARCHAR(500)

--\
---) CONFIGURATION: set the source and target schema/tablename here, and some other settings.
--/
SELECT 
    @SimulationMode = 'Y' -- Use Y if you only want the SQL statement in the output window without it being executed.
  , @SourceSchemaAndTable = '[Production].[Product]'
  , @TargetSchemaAndTable = '[stg].[Product]'
  , @TableOptions = ' WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]'
  , @FkNameSuffix = '_' + REPLACE(CAST(NEWID() AS VARCHAR(40)), '-', '') -- A Guid is added to the foreign key name to make it unique.
  , @CrLf = CHAR(13) + CHAR(10)
  , @Indent = SPACE(2)
  -- For 'min' script use this (in case sql is near 4000 characters):
  -- , @CrLf  = ' '
  -- , @Indent = ''

--\
---) BUILD SQL FOR CLONING TABLE
--/
SELECT @nsql
    = ISNULL(@nsql, '')
    + CASE col_sequence WHEN 1 THEN
      @CrLf + 'IF OBJECT_ID(N''' + @TargetSchemaAndTable + ''', ''U'') IS NOT NULL DROP TABLE ' + @TargetSchemaAndTable + ';'
    + @CrLf + 'CREATE TABLE ' + @TargetSchemaAndTable + @CrLf + @Indent + '( ' ELSE @CrLf + @Indent + ', ' END
    + [definition]
FROM (
      SELECT ROW_NUMBER() OVER (PARTITION BY tb.object_id ORDER BY tb.object_id, col.column_id) AS col_sequence
        , QUOTENAME(col.name) + ' '
        + COALESCE(
            'AS ' + cmp.definition + CASE ISNULL(cmp.is_persisted, 0) WHEN 1 THEN ' PERSISTED ' ELSE '' END,
            CASE
              WHEN col.system_type_id != col.user_type_id THEN QUOTENAME(usr_tp.schema_name) + '.' + QUOTENAME(usr_tp.name)
              ELSE
                QUOTENAME(sys_tp.name) +
                CASE
                  WHEN sys_tp.name IN ('char', 'varchar', 'binary', 'varbinary') THEN '(' + CONVERT(VARCHAR, CASE col.max_length WHEN -1 THEN 'max' ELSE CAST(col.max_length AS varchar(10)) END) + ')'
                  WHEN sys_tp.name IN ('nchar', 'nvarchar') THEN '(' + CONVERT(VARCHAR, CASE col.max_length WHEN -1 THEN 'max' ELSE CAST(col.max_length/2 AS varchar(10)) END) + ')'
                  WHEN sys_tp.name IN ('decimal', 'numeric') THEN '(' + CAST(col.precision AS VARCHAR) + ',' + CAST(col.scale AS VARCHAR) +  ')'
                  WHEN sys_tp.name IN ('datetime2') THEN '(' + CAST(col.scale AS VARCHAR) +  ')'
                  ELSE ''
                END          
            END
            )       
        + CASE col.is_nullable
            WHEN 0 THEN ' NOT'
            ELSE ''
          END + ' NULL' AS [definition]
        FROM sys.tables tb
        JOIN sys.schemas sch
          ON sch.schema_id = tb.schema_id
        JOIN sys.columns col
          ON col.object_id = tb.object_id
        JOIN sys.types sys_tp
          ON col.system_type_id = sys_tp.system_type_id
        AND col.system_type_id = sys_tp.user_type_id
        LEFT JOIN
            (
            SELECT tp.*, sch.name AS [schema_name]
            FROM sys.types tp
            JOIN sys.schemas sch
            ON tp.schema_id = sch.schema_id
            ) usr_tp
          ON col.system_type_id = usr_tp.system_type_id
        AND col.user_type_id = usr_tp.user_type_id
        LEFT JOIN sys.computed_columns cmp
          ON cmp.object_id = tb.object_id
        AND cmp.column_id = col.column_id
      WHERE tb.object_id = OBJECT_ID(@SourceSchemaAndTable, 'U')
      ) subqry
;
SELECT @nsql
    = ISNULL(@nsql, '')
    + CASE col_sequence
        WHEN 1 THEN @CrLf + ', PRIMARY KEY ' + CASE is_clustered_index WHEN 1 THEN 'CLUSTERED' ELSE 'NONCLUSTERED' END
            + @CrLf + @Indent + '( '
        ELSE @CrLf + @Indent + ', '
      END
    + QUOTENAME(pk_cols.column_name)
    + CASE is_descending_key
        WHEN 1 THEN ' DESC'
        ELSE ' ASC'
      END
FROM (
      SELECT TOP 2147483647 sch.name as schema_name, tb.name as table_name, col.name as column_name
                , ROW_NUMBER() OVER (PARTITION BY tb.object_id ORDER BY tb.object_id, col.column_id) AS col_sequence
                , ic.is_descending_key
                , CASE WHEN idx.index_id = 1 THEN 1 ELSE 0 END AS [is_clustered_index]
        FROM sys.tables tb
        JOIN sys.schemas sch
          ON sch.schema_id = tb.schema_id
        JOIN sys.indexes idx
          ON idx.is_primary_key = 1
        AND idx.object_id = tb.object_id
        JOIN sys.index_columns ic
          ON is_included_column = 0  
        AND ic.object_id = tb.object_id
        AND ic.index_id = idx.index_id
        JOIN sys.columns col
          ON col.column_id = ic.column_id
        AND col.object_id = tb.object_id
      WHERE tb.object_id = OBJECT_ID(@SourceSchemaAndTable, 'U')
      ORDER BY col.column_id
      ) pk_cols

SELECT @nsql = @nsql + @CrLf + @indent + ') ' + @TableOptions

IF @SimulationMode = 'Y' 
BEGIN
  PRINT '-- Simulation mode: script is not executed.'
END
PRINT @nsql;
IF @SimulationMode != 'Y' 
BEGIN
  EXEC(@nsql);
END

--\
---) Copy foreign key constraints
---) A guid is added to the foreign key name to make it unique within the database.
--/
SET @nsql = N'';
SELECT @nsql += N'
ALTER TABLE '
      + @TargetSchemaAndTable
      + ' ADD CONSTRAINT [' + LEFT(fk.name + @FkNameSuffix, 128) +  '] '
      + ' FOREIGN KEY (' + STUFF((SELECT ',' + QUOTENAME(col.name)
      -- get all the columns in the constraint table
      FROM sys.columns AS col
      JOIN sys.foreign_key_columns AS fkc
        ON fkc.parent_column_id = col.column_id
        AND fkc.parent_object_id = col.[object_id]
      WHERE fkc.constraint_object_id = fk.[object_id]
      ORDER BY fkc.constraint_column_id
      FOR XML PATH(N''), TYPE).value(N'.[1]', N'nvarchar(max)'), 1, 1, N'')
      + ') REFERENCES ' + QUOTENAME(rs.name) + '.' + QUOTENAME(rtb.name)
      + '('
      + STUFF((SELECT ',' + QUOTENAME(col.name)
      -- get all the referenced columns
      FROM sys.columns AS col
      JOIN sys.foreign_key_columns AS fkc
        ON fkc.referenced_column_id = col.column_id
        AND fkc.referenced_object_id = col.[object_id]
      WHERE fkc.constraint_object_id = fk.object_id
      ORDER BY fkc.constraint_column_id
      FOR XML PATH(N''), TYPE).value(N'.[1]', N'nvarchar(max)'), 1, 1, N'') + ');'
FROM sys.foreign_keys AS fk
JOIN sys.tables AS rtb -- referenced table
    ON fk.referenced_object_id = rtb.[object_id]
JOIN sys.schemas AS rs
    ON rtb.[schema_id] = rs.[schema_id]
JOIN sys.tables AS ctb -- constraint table
    ON fk.parent_object_id = ctb.[object_id]
WHERE rtb.is_ms_shipped = 0 AND ctb.is_ms_shipped = 0
  AND ctb.object_id = OBJECT_ID(@SourceSchemaAndTable, 'U');

IF @SimulationMode = 'Y' 
BEGIN
  PRINT '-- Simulation mode: script is not executed.'
END
PRINT @nsql;
IF @SimulationMode != 'Y' 
BEGIN
  EXEC(@nsql);
END

Jeśli jesteś zainteresowany, możesz go znaleźć również na moim blogu: http://www.hansmichiels.com/2016/02/18/how-to-copy-a-database-table-structure-t-sql-scripting-series -s01e01 /


-2
Select *
into [new table name]
from [table to be copied name]
where 0=1
Korzystając z naszej strony potwierdzasz, że przeczytałeś(-aś) i rozumiesz nasze zasady używania plików cookie i zasady ochrony prywatności.
Licensed under cc by-sa 3.0 with attribution required.