从表中选择所有记录，但同一表中的某些记录除外

Question

我想从mem_info检索所有记录，但用户名为'qq';

的记录除外

以下是我的查询

select * from mem_info where hashtag like '%love%' 
EXCEPT select * from mem_info where username='qq'; 

提前致谢。

Answer 1

试试这个：

select * from mem_info where hashtag like '%love%' and username <>'qq';

Answer 2

select * from mem_info where username <> 'qq';

Answer 3

<强>查询

SELECT * FROM mem_info 
WHERE hashtag LIKE '%love%' 
AND username NOT IN ('qq');