MySQL 不同于

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时间:2020-08-31 19:38:30  来源:igfitidea点击:

MySQL different from

mysql

提问by user712027

How can I do this

我怎样才能做到这一点

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

in a correct MySQL syntax?

以正确的 MySQL 语法?

activecan be NULL, 0or 1and what I need is activeequal to NULLor 0, never equal to 1.

active可以NULL0或者1,我需要的active等于NULL0,从不等于1

回答by Nicola Cossu

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

回答by Khalid Amin

SELECT *
  FROM theuser
 WHERE userid = 1233
   AND (active IS NULL OR active != 1)