注:因官方MySQL下载较慢,请先自行上传mysql安装包至/usr/local/src目录#!/bin/bash#This shell script can be used to install mysql instances automatically#Written by LiHui#Version 1.0#MySQL Install path Install_path=/usr/local/mysql#MySQL DatadirDatadir=/data0/mysqldata/3306/d...【阅读全文】
文章来源:http://my.oschina.net/adamboy/blog/332201.复合索引比如有一条语句是这样的:select * from users where area=’beijing’ and age=22;如果我们是在area和age上分别创建单个索引的话,由于mysql查询每次只能使用一个索引,所以虽然这样已经相对不做索引时全表扫描提高了很多效率,但是如果在area、age两列...【阅读全文】
[Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).[Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentati...【阅读全文】