if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_帐单明细_入住单]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[帐单明细] DROP CONSTRAINT FK_帐单明细_入住单
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_入住单_客房信息]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[入住单] DROP CONSTRAINT FK_入住单_客房信息
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_客房信息_客房类型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[客房信息] DROP CONSTRAINT FK_客房信息_客房类型
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软件简介