MySQL不同于

Question

我怎样才能做到这一点

select * from theuser where userid=1233 and active != 1

用正确的MySQL语法？

active可以是NULL,0或者1我需要的是active等于NULL或0永远不等于1.

Answer 1

select * from theuser where userid=1233 and (active is null or active != 1)