IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[sp_CalculatedChannelsDelete]') AND type in (N'P', N'PC')) DROP PROCEDURE [dbo].[sp_CalculatedChannelsDelete] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[sp_CalculatedChannelsDelete]') AND type in (N'P', N'PC')) BEGIN EXEC dbo.sp_executesql @statement = N'CREATE PROCEDURE [dbo].[sp_CalculatedChannelsDelete] AS' END GO ALTER PROCEDURE [dbo].[sp_CalculatedChannelsDelete] @CalculatedChannelsId int = null ,@errorNumber int output ,@errorMessage nvarchar(250) output AS BEGIN begin try delete from [dbo].[CalculatedChannels] where @CalculatedChannelsId is null or Id = @CalculatedChannelsId end try begin catch set @errorMessage = error_message() set @errorNumber = error_number() end catch END GO