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HomeDatabaseMysql Tutorial一些常用的MySQL命令脚本笔记

记录我在开发中经常用到的mysql命令和脚本,以作备用,最近有段时间没写sql了,有点生疏了。(以下是在winxp下开发的,打开命令提

记录我在开发中经常用到的mysql命令和脚本,以作备用,最近有段时间没写sql了,有点生疏了。

(以下是在winxp下开发的,打开命令提示符)。

第一招、mysql服务的启动和停止

net stop mysql

net start mysql

第二招、登陆mysql

语法是 mysql -h主机 -u用户名 -p秘密

例子是 mysql -hlocalhost -uroot -p123456

要确定mysql安装时候勾选了可以远程链接。如果登陆本地计算机,-h可以省略,键入命令mysql -uroot -p, 回车后提示你输入密码,,输入123456,然后回车即可进入到mysql中了。

第三招、增加新用户

语法是 grant 权限 on 数据库.表 to 用户名@登录主机 identified by “密码”

例子是

所有权限 grant all privalleges on zf.* to guqin@localhost identified by “123456″

select权限 grant all select on zf.* to guqin@localhost identified by “123456″

第四招、操作数据库

登录到mysql中,然后在mysql的提示符下运行下列命令,每个命令以分号结束。

1、 显示数据库列表。

show databases;

2、 显示库中的数据表。

use mysql;

show tables;

3、 显示数据表的结构。

desc 表明;

4、 建库与删库

create database 库名;

drop database 库名;

5、 建表和删表。

use 库名;

create table 表名(字段列表);

drop table 表名;

6、 清空表中记录。

delete from 表名;

7、 显示表中的记录。

select * from 表名;

第五招、导出和导入数据

1. 导出数据。

语法是 mysqldump –opt 库名.表名 > c:\data.sql

例子是 mysqldump -hlocalhost -uroot -p123456 zf.user>c:\data.sql

2. 导入数据:

语法是 mysqldump –opt 库名

例子是 mysqldump -hlocalhost -uroot -p123456 zf 或者

mysqlimport -hlocalhost -u root -p123456

3. 将文本数据导入数据库:

use 库名;

load data local infile “文件名” into table 表名;

第六招 创建一个数据库表

CREATE TABLE MYTABLE (name VARCHAR(20), sex CHAR(1));

第七招 往表中加入记录

insert into 表名 values (”1″,”2″);

第八招 用文本方式将数据装入数据库表中

LOAD DATA LOCAL INFILE “c:/data.sql” INTO TABLE 表名;

第九招 导入.sql文件命令(例如c:/data.sql)

use database;

source c:/data.sql

第十招 更新表中数据

update MYTABLE set sex=”f” where name=’hyq’;

第十一招 修复表

repair 表名

第十二招 查看表的大小

show 表名 status

第十三招 修改密码

mysqladmin -u用户名 -p旧密码 password “新密码”

第十四招 修改表结构

ALTER TABLE t1 MODIFY b BIGINT NOT NULL;

第十四招 退出MYSQL命令

exit or quit(回车)

以上是我的mysql操作命令,很方便。自己感觉比用gui操作好多了。

linux

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