mysql-关于MySQL的完全外连接查询
- WBOYOriginal
- 2016-06-06 09:41:55874browse
mysql连接查询
问题看下图
为毛左连接和右连接查询都可以，全外连接就不行了啊？而且命令我也是直接翻阅上面的，只是把right改成了full
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：可扩展-mysql 有什么统计 架构Next article：mysql-mySQL的limit分页怎么转换成SQL server语句