BeautyGao的专栏

---------------------------------------------------------登陆--------------------------------------------------------------------   1.mysql -h192.168.0.181 -utest -ptest;   登陆mysql命令行  

数据库：MariaDB， 单表记录：>7900万 语句1：select * from rgwsp_history where Station_Id_d = '58035' and BJTIME like '20140625%'                用时--4.976s 语句2： select * from rgwsp_history where Station_Id_d =