Clear All Tables sql script

 

create

Procedure [dbo].[sp_EmptyAllTables] (@ResetIdentity Bit)

As

Begin

Declare @SQL VarChar(500)

Declare @TableName VarChar(255)

Declare @ConstraintName VarChar(500)

Declare curAllForeignKeys SCROLL CurSor For Select Table_Name,Constraint_Name From Information_Schema.Table_Constraints Where Constraint_Type='FOREIGN KEY'

Open curAllForeignKeys

 

Fetch Next From curAllForeignKeys INTO @TableName,@ConstraintName

While @@FETCH_STATUS=0

Begin

Set @SQL = 'ALTER TABLE ' + @TableName + ' NOCHECK CONSTRAINT ' + @ConstraintName

Execute(@SQL)

Fetch Next From curAllForeignKeys INTO @TableName,@ConstraintName

End

 

 

Declare curAllTables Cursor For Select Table_Name From Information_Schema.Tables Where TABLE_TYPE='BASE TABLE'

Open curAllTables

 

Fetch Next From curAllTables INTO @TableName

While @@FETCH_STATUS=0

Begin

Set @SQL = 'DELETE FROM ' + @TableName

If @ResetIdentity = 1 AND OBJECTPROPERTY (OBJECT_ID(@TableName),'TableHasIdentity')=1

Set @SQL = @SQL + '; DBCC CHECKIDENT(''' + @TableName + ''',RESEED,0)'

 

Execute(@SQL)

Fetch Next From curAllTables INTO @TableName

End

 

 

Fetch First From curAllForeignKeys INTO @TableName,@ConstraintName

While @@FETCH_STATUS=0

Begin

Set @SQL = 'ALTER TABLE ' + @TableName + ' CHECK CONSTRAINT ' + @ConstraintName

Execute(@SQL)

Fetch Next From curAllForeignKeys INTO @TableName,@ConstraintName

End

 

Close curAllTables

Deallocate curAllTables

 

Close curAllForeignKeys

Deallocate curAllForeignKeys

End

转载于:https://www.cnblogs.com/-net/archive/2010/02/04/1663741.html