Procedure to Delete data of database table

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