mysql 折腾了好久的macos＋apache+php+phpmyadmin 终于成功了！ MAC下安装与配置MySQL MySql常用语句 解决Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: MySQL Key值（PRI, UNI, MUL）的含义 PRI主键约束； UNI唯一约束； MUL可以重复。