/* 数据表SQL脚本 if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_UsersInRoles_Roles]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[UsersInRoles] DROP CONSTRAINT FK_UsersInRoles_Roles GO if exists (select * from…