提示:The 'INFORMATION_SCHEMA.SESSION_VARIABLES' feature is disabled; see the documentation for 'show_compatibility_56'--从mysql5.7.6开始information_schema.global_status已经开始被舍弃,为了兼容性,此时需要打开 show_compatibility_56mysql> select * from information_schema.global_status limit 3;...【阅读全文】