IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[sp_LastUsedHardwareGetId]') AND type in (N'P', N'PC')) DROP PROCEDURE [dbo].[sp_LastUsedHardwareGetId] 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_LastUsedHardwareGetId]') AND type in (N'P', N'PC')) BEGIN EXEC dbo.sp_executesql @statement = N'CREATE PROCEDURE [dbo].[sp_LastUsedHardwareGetId] AS' END GO ALTER PROCEDURE [dbo].[sp_LastUsedHardwareGetId] @UserId int ,@SerialNumber varchar(50) output AS BEGIN SET NOCOUNT ON; select @SerialNumber = [SerialNumber] from [dbo].[LastUsedHardware] where [UserID] = @UserID END GO