sql查询中如何使用表变量

这期内容当中小编将会给大家带来有关sql查询中如何使用表变量，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。

复制代码 代码如下: USE [DAF_DB] GO /****** Object: StoredProcedure [dbo].[PROG_WORKTASK_List] Script Date: 06/14/2010 21:14:43 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO --[PROG_WORKTASK_List] 62,0,'','',0,0,'','' -- ============================================= -- Author: guo.lin -- Create date: 2010-03-10 -- Description: 获取工作任务单列表，根据相关条件 -- ============================================= ALTER PROCEDURE [dbo].[PROG_WORKTASK_List] @userID varchar(10), ---当前用户 @status int, ---状态 @Leader varchar(30), @Facilitators varchar(30), @Level int , @Priority int, @CloseDT varchar(30), @CreatedBy varchar(30) AS BEGIN declare @result table( taskid int, TaskName nvarchar(100), TaskTopic nvarchar(100), Level varchar(10), Priority varchar(10), Status varchar(10), Leader varchar(100), strLeader nvarchar(500), Facilitators varchar(100), cycletime varchar(10), CloseDT datetime, Createddt datetime, CreatedBy varchar(30) ) insert into @result select taskid,TaskName,TaskTopic,Level,Priority,Status,Leader,strLeader,Facilitators,cycletime,CloseDT,Createddt,CreatedBy from Work_TaskProcess where createdby=@CreatedBy or leader like '%|'+@userid+'|%' or Facilitators like '%|'+@userid+'|%' if (@status <>0) delete @result where status<>@status if (@Leader<>'') delete @result where leader not like '%|'+@Leader+'|%' -- if (@CreatedBy<>'') -- delete @result where CreatedBy<>@CreatedBy if (@Level <> 0) delete @result where level<>@level if (@Priority <> 0) delete @result where Priority<>@Priority if (@CloseDT<>'') delete @result where CloseDT<>@CloseDT update @result set status=b.itemtext from @result a,DAF_Item b where a.Status=b.itemvalue and b.itemtype='worktaskStatus' update @result set Level=b.itemtext from @result a,DAF_Item b where a.Level=b.itemvalue and b.itemtype='worktaskLevel' update @result set Priority=b.itemtext from @result a,DAF_Item b where a.Priority=b.itemvalue and b.itemtype='worktaskPriority' update @result set createdby=b.username from @result a, DAF_useraccount b where a.createdBy=b.userid update @result set cycletime=cycletime+'天' select taskid,TaskName,TaskTopic,Level,Priority,Status,strLeader,Facilitators,cycletime,CloseDT,Createddt,CreatedBy from @result order by Createddt desc END

上述就是小编为大家分享的sql查询中如何使用表变量了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注行业资讯频道。