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有些失望是不可避免的，但大部分是因为你高估了自己。
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mysql 查询语句相关
SELECT * FROM `dj_huodong` as a left join dj_bumen_renyuan as b on FIND_IN_SET(b.id,a.canyu)原创 2021-05-26 10:00:39 · 100 阅读 · 0 评论 -
mysql 合并查询，把两张或多张没有关系的表合起来查询并且排序
select * from (select artid as id ,1 as count,xztime from article union select id ,2 as count,xztime from gongjiao_img) as c order by xztime desc;原创 2020-04-11 21:04:51 · 1704 阅读 · 0 评论