MySQL--命令

查看表的相关信息:

show table status like 'tbl_ec_document';

select * from information_schema.tables where table_schema=database() and table_name='tbl_ec_document';

简单查询 sql 的优化:

explain extended sql;

show warnings;
原文地址:https://www.cnblogs.com/microcat/p/7592747.html