标签：mic weight ros mode 20px strong span one sele
select * from reglike; select decode(substr(name,1,3),‘aaa‘,‘yes‘,‘no‘) decode from reglike;
select * from reglike; select case when substr(name,1,3)=‘aaa‘ then ‘yes‘ else ‘no‘ end case from reglike;
标签：mic weight ros mode 20px strong span one sele
原文地址：http://www.cnblogs.com/tonghaolang/p/7799681.html
