--建立存取处理的存储过程
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_textcopy]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_textcopy]
GO
--删除测试环境
drop table tb
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_textcopy]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_textcopy]