我想,如果别人对这个表写MySQL查询,如何编写MySQL查询IF ELSEIF ELSE
表名:用户
user_id | username | password | status
1 | john | 1 | 1
2 | jessi | 2 | 0
3 | mark | 1 | 2
状态:1 - 启用,0 - 禁用,2 - 删除
我写SQL来获得状态数据:
SELECT username, user_id, IF(STATUS =1, 'Enable', 'Disable') AS user_status
FROM `users`
怎么写的MySQL是否elseif else语句获取所有三种状态
即逻辑被最合适地放置在[A'CASE'] (http://dev.mysql.com/doc/refman/5.0/en/case.html) –
@Michael请问Berkowski如何为此编写案例 – user3099298
请参阅下面的答案,例如...'CASE STATUS = 1 THEN'Enable'STATUS = 0 THEN'Disable'WHEN STATUS = 2 THEN'Deleted'ELSE'Unknown状态'结束' –