MySQL查询效率优化 添加索引命令
1.PRIMARY KEY（主键索引）
mysql>ALTER TABLE `table_name` ADD PRIMARY KEY ( `column` )
2.UNIQUE(唯一索引)
mysql>ALTER TABLE `table_name` ADD UNIQUE (
`column`
)
3.INDEX(普通索引)
mysql>ALTER TABLE `table_name` ADD INDEX index_name ( `column` )
4.FULLTEXT(全文索引)
mysql>ALTER TABLE `table_name` ADD FULLTEXT (
`column`
)
5.多列索引
mysql>ALTER TABLE `table_name` ADD INDEX index_name ( `column1`, `column2`, `column3` )
相关文档：
1. 附加项一定 加上libmysql.lib。
2. include 一定加上 mysql的include（因为要跑这关键一句
#include <mysql.h>）
3 lib 一定加上 mysql的lib
好了下面是实例和php函数基本一样的。本人不可能给你翻译文档，函数不懂自己看。
#include
<windows.h>//用这个方便，包含winsock.h所� ......
Installing the MySQL Driver
先查看所缺失的相关包：
$ apt-cache search libmysqlclient
libcrypt-mysql-perl - Perl module to emulate the MySQL PASSWORD() function.
libglpk0 - linear programming kit with integer (MIP) support
libmysqlclient16 - MySQL database client library
libmysqlclient16-dev - ......
how to install apache, PHP and MySQL on Linux
This tutorial explains the installation of Apache web server, bundled with PHP and MySQL server on a Linux machine. The tutorial is primarily for SuSE 9.2, 9.3, 10.0 & 10.1 operating systems, but most of the steps ought to be valid for all Linux-lik ......
how to install apache, PHP and MySQL on Linux
This tutorial explains the installation of Apache web server, bundled
with PHP and MySQL server on a Linux machine. The tutorial is primarily for SuSE
9.2, 9.3, 10.0 & 10.1, but most of the steps ought to be valid for all
Linux-like operating ......
新建backup.bat
设置mysqldump全局环境变量或使用时写入绝对路径
@echo off
set date0=%date:~0,10%
set time0=%time:~0,8%
set time1=%time:~0,2%
set time2=%time:~3,2%
set time3=%time:~6,2%
echo %time0%
echo %time1%
echo %time2%
echo %time3%
mysqldump -u<用户> -p<密码> -h <ip ......
