随笔分类 - 【006】SQLSERVER
摘要:CREATE PROCEDURE [dbo].[usp_UserFriendsOrder] @s varchar(MAX) as --如果临时表存在则先删除 if exists(select * from dbo.sysobjects where object_id('tempdb.dbo.#temp') is not null) delete from #temp else c...
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摘要:最近项目中要递归树形,案例如下: 测试数据: CREATE TABLE tb(ID char(3),PID char(3),Name nvarchar(10)) INSERT tb SELECT'001',NULL ,'山东省' UNION ALL SELECT'002','001','烟台市' U
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