select * from Item where ISNULL(name,'')='' select * from Item where name is null or datalength(name)=0
无论name=''或者name为null都可以查到
mr-hu2009 2019-07-26 09:23 原文
select * from Item where ISNULL(name,'')='' select * from Item where name is null or datalength(name)=0
无论name=''或者name为null都可以查到