SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

ALTER TABLE [dbo].[InvoiceTbl]  WITH CHECK ADD  CONSTRAINT [FK_InvoiceTbl_Users] FOREIGN KEY([UserNo])
REFERENCES [dbo].[Users] ([UID])
GO
ALTER TABLE [dbo].[InvoiceTbl] CHECK CONSTRAINT [FK_InvoiceTbl_Users]
GO