摘要: mysql> use information_schema;Database changed mysql> select concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data from TABLESmysql> select concat( 阅读全文
posted @ 2018-12-19 11:03 追梦nan 阅读(291) 评论(0) 推荐(0) 编辑