随笔分类 -  MySQL

数据库
摘要:代码格式如下: select * from BillConsume where obId in (select obId from OpenBills where clearTheMarket is null or clearTheMarket=0) 要注意的是:in后面的查询语句必须是查询一个字段 阅读全文
posted @ 2020-12-05 15:44 骇客黑界 阅读(11915) 评论(0) 推荐(0)
摘要:centos8 安装mysql5.7 后,mysql命令登录不成功,报错:mysql: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or dir 阅读全文
posted @ 2020-06-24 14:33 骇客黑界 阅读(841) 评论(0) 推荐(0)
摘要:MySQL面试题-基础 阅读全文
posted @ 2020-05-14 14:22 骇客黑界 阅读(567) 评论(0) 推荐(0)