Orta Seviye SQL Server Sql Server

SQL Server’da İlişkili Tüm Tabloları Truncate ile Boşaltmak

SQL Server Eğitimleri Kanalına Abone Olun

Herkese merhaba,

Bu kısımda SQL Server’da ilişkili tüm tabloları truncate ile boşaltma kodları olacak.

--Tüm tabloları truncate etme kodları
DECLARE @dropAndCreateConstraintsTable TABLE
        (
         DropStmt VARCHAR(MAX)
        ,CreateStmt VARCHAR(MAX)
        )

INSERT  @dropAndCreateConstraintsTable
        SELECT  DropStmt = 'ALTER TABLE [' + ForeignKeys.ForeignTableSchema
                + '].[' + ForeignKeys.ForeignTableName + '] DROP CONSTRAINT ['
                + ForeignKeys.ForeignKeyName + ']; '
               ,CreateStmt = 'ALTER TABLE [' + ForeignKeys.ForeignTableSchema
                + '].[' + ForeignKeys.ForeignTableName
                + '] WITH CHECK ADD CONSTRAINT [' + ForeignKeys.ForeignKeyName
                + '] FOREIGN KEY([' + ForeignKeys.ForeignTableColumn
                + ']) REFERENCES [' + SCHEMA_NAME(sys.objects.schema_id)
                + '].[' + sys.objects.[name] + ']([' + sys.columns.[name]
                + ']); '
        FROM    sys.objects
        INNER JOIN sys.columns
                ON ( sys.columns.[object_id] = sys.objects.[object_id] )
        INNER JOIN ( SELECT sys.foreign_keys.[name] AS ForeignKeyName
                           ,SCHEMA_NAME(sys.objects.schema_id) AS ForeignTableSchema
                           ,sys.objects.[name] AS ForeignTableName
                           ,sys.columns.[name] AS ForeignTableColumn
                           ,sys.foreign_keys.referenced_object_id AS referenced_object_id
                           ,sys.foreign_key_columns.referenced_column_id AS referenced_column_id
                     FROM   sys.foreign_keys
                     INNER JOIN sys.foreign_key_columns
                            ON ( sys.foreign_key_columns.constraint_object_id = sys.foreign_keys.[object_id] )
                     INNER JOIN sys.objects
                            ON ( sys.objects.[object_id] = sys.foreign_keys.parent_object_id )
                     INNER JOIN sys.columns
                            ON ( sys.columns.[object_id] = sys.objects.[object_id] )
                               AND ( sys.columns.column_id = sys.foreign_key_columns.parent_column_id )
                   ) ForeignKeys
                ON ( ForeignKeys.referenced_object_id = sys.objects.[object_id] )
                   AND ( ForeignKeys.referenced_column_id = sys.columns.column_id )
        WHERE   ( sys.objects.[type] = 'U' )
                AND ( sys.objects.[name] NOT IN ( 'sysdiagrams' ) )

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

DECLARE @DropStatement NVARCHAR(MAX)
DECLARE @RecreateStatement NVARCHAR(MAX)
/* Drop Constraints */
DECLARE Cur1 CURSOR READ_ONLY
FOR
        SELECT  DropStmt
        FROM    @dropAndCreateConstraintsTable
OPEN Cur1
FETCH NEXT FROM Cur1 INTO @DropStatement
WHILE @@FETCH_STATUS = 0
      BEGIN
            PRINT 'Executing ' + @DropStatement
            EXECUTE sp_executesql @DropStatement
            FETCH NEXT FROM Cur1 INTO @DropStatement
      END
CLOSE Cur1
DEALLOCATE Cur1

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

DECLARE @DeleteTableStatement NVARCHAR(MAX)
DECLARE Cur2 CURSOR READ_ONLY
FOR
        SELECT  'TRUNCATE TABLE [dbo].[' + TABLE_NAME + ']'
        FROM    INFORMATION_SCHEMA.TABLES
        WHERE   TABLE_SCHEMA = 'dbo'
                AND TABLE_TYPE = 'BASE TABLE'
  /* Change your schema appropriately if you don't want to use dbo */
OPEN Cur2
FETCH NEXT FROM Cur2 INTO @DeleteTableStatement
WHILE @@FETCH_STATUS = 0
      BEGIN
            PRINT 'Executing ' + @DeleteTableStatement
            EXECUTE sp_executesql @DeleteTableStatement
            FETCH NEXT FROM Cur2 INTO @DeleteTableStatement
      END
CLOSE Cur2
DEALLOCATE Cur2

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

DECLARE Cur3 CURSOR READ_ONLY
FOR
        SELECT  CreateStmt
        FROM    @dropAndCreateConstraintsTable
OPEN Cur3
FETCH NEXT FROM Cur3 INTO @RecreateStatement
WHILE @@FETCH_STATUS = 0
      BEGIN
            PRINT 'Executing ' + @RecreateStatement
            EXECUTE sp_executesql @RecreateStatement
            FETCH NEXT FROM Cur3 INTO @RecreateStatement
      END
CLOSE Cur3
DEALLOCATE Cur3
GO   
117 Kez Okundu
SQL Server Eğitimleri Kanalına Abone Olun

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