SQL Server在sql变量中存储多个值
发布时间:2020-12-12 08:34:32 所属栏目:MsSql教程 来源:网络整理
导读:我有以下查询: select * from cars where make in ('BMW','Toyota','Nissan') 我想要做的是将where参数存储在SQL变量中. 就像是: declare @caroptions varchar(max);select @caroptions = select distinct(make) from carsforsale;print @caroptions;select
我有以下查询:
select * from cars where make in ('BMW','Toyota','Nissan') 我想要做的是将where参数存储在SQL变量中. 就像是: declare @caroptions varchar(max); select @caroptions = select distinct(make) from carsforsale; print @caroptions; select * from cars where make in (@caroptions) 问题是@caroptions的打印只返回最后一个结果: select distinct(make) from carsforsale; 我希望它存储多个值. 有任何想法吗? 解决方法您可以使用表变量:declare @caroptions table ( car varchar(1000) ) insert into @caroptions values ('BMW') insert into @caroptions values ('Toyota') insert into @caroptions values ('Nissan') select * from cars where make in (select car from @caroptions) (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |