1.问题详情
2.解决方法：登录MySQL数据库，然后执行命令： set global show_compatibility_56=on;
转载于:https://www.cnblogs.com/LifeDecidesHappiness/p/9540192.html
MySQL-解决 Table'performance_schema.session_variables' doesn't exist 问题
原文链接：http://www.cnblogs.com/LifeDecidesHappiness/p/9540192.html