远程登录 mysql
mysql -hrm-abcdefghijkl.mysql.rds.aliyuncs.com
-uusername -ppassword -Ddatabase_name
显示索引信息
1
mysql> SHOW INDEX FROM table_name;
https://www.runoob.com/mysql/mysql-index.html
判断select查询是否使用了索引
1
mysql> explain select * from zje;
https://blog.csdn.net/u014453898/article/details/55004193
