[摘要]本文带领大家通过5分钟了解MySQL5.7中union all用法的黑科技,需要的朋友可以参考下union all在MySQL5.6下的表现Part1:MySQL5.6.25[root@HE1 ~]...
本文带领大家通过5分钟了解MySQL5.7中union all用法的黑科技,需要的朋友可以参考下
union all在MySQL5.6下的表现
Part1:MySQL5.6.25
[root@HE1 ~]# MySQL -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.25-log MySQL Community Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> select version();
+------------+
关键词：MySQL5.7中union all用法的黑科技的图文代码介绍