运河之岸四惠桥[原创]
归途[原创]
2007-8-6 16:53 | by
[文章作者：张宴 本文版本：v1.0 最后修改：2007.08.06 转载请注明出处：http://blog.zyan.cc]
我一直习惯用phpMyAdmin对MySQL数据库进行管理，曾修改了一个《可管理多台远程MySQL服务器的phpMyAdmin 2.10.2》。但有些机器上因为安全等因素，只设置了允许从本机访问自身的MySQL端口，而且没有安装Apache和PHP，因而不能使用phpMyAdmin。于是，我只好使用命令行方式来对MySQL数据库进行管理。为了方便以后从命令行操作数据库可以更方便（拷贝、粘贴），我写下了这篇文章。
一、从命令行登录MySQL数据库服务器
1、登录使用默认3306端口的MySQL
2、通过TCP连接管理不同端口的多个MySQL（注意：MySQL4.1以上版本才有此项功能）
3、通过socket套接字管理不同端口的多个MySQL
4、通过端口和IP管理不同端口的多个MySQL
二、数据库操作SQL语句
1、显示服务器上当前存在什么数据库
2、创建名称为rewin的数据库
3、删除名称为rewin的数据库
4、选择rewin数据库
三、表操作SQL语句（登录之后必须用以上的USE命令选择一个数据库，再进行表操作）
1、显示当前数据库中存在什么表
2、创建数据库表zhangyan：在mysql>后粘贴以下SQL语句，存储引擎为MYISAM，字段id为主键、唯一索引。
3、查看zhangyan表结构
4、从表中检索信息
4.1、从zhangyan表中检索所有记录
4.2、从zhangyan表中检索特定的行：字段username等于abc，字段number等于1，按字段id降序排列
4.3、从zhangyan表中检索指定的字段：username和password
4.4、从zhangyan表中检索出唯一的不重复记录：
5、插入信息到zhangyan表
6、更新zhangyan表中的指定信息
7、删除zhangyan表中的指定信息
8、清空zhangyan表
9、删除zhangyan表
10、更改表结构，将zhangyan表username字段的字段类型改为CHAR(25)
11、将当前目录下的mysql.sql导入数据库
四、数据库权限操作SQL语句
1、创建一个具有root权限，可从任何IP登录的用户sina，密码为zhangyan
2、创建一个具有“数据操作”、“结构操作”权限，只能从192.168.1.***登录的用户sina，密码为zhangyan
3、创建一个只拥有“数据操作”权限，只能从192.168.1.24登录，只能操作rewin数据库的zhangyan表的用户sina，密码为zhangyan
4、创建一个拥有“数据操作”、“结构操作”权限，可从任何IP登录，只能操作rewin数据库的用户sina，密码为zhangyan
5、删除用户
PS：如果想了解更多的MySQL操作资料，请参考MySQL官方的中文参考手册
我一直习惯用phpMyAdmin对MySQL数据库进行管理，曾修改了一个《可管理多台远程MySQL服务器的phpMyAdmin 2.10.2》。但有些机器上因为安全等因素，只设置了允许从本机访问自身的MySQL端口，而且没有安装Apache和PHP，因而不能使用phpMyAdmin。于是，我只好使用命令行方式来对MySQL数据库进行管理。为了方便以后从命令行操作数据库可以更方便（拷贝、粘贴），我写下了这篇文章。
一、从命令行登录MySQL数据库服务器
1、登录使用默认3306端口的MySQL
/usr/local/mysql/bin/mysql -u root -p
2、通过TCP连接管理不同端口的多个MySQL（注意：MySQL4.1以上版本才有此项功能）
/usr/local/mysql/bin/mysql -u root -p --protocol=tcp --host=localhost --port=3307
3、通过socket套接字管理不同端口的多个MySQL
/usr/local/mysql/bin/mysql -u root -p --socket=/tmp/mysql3307.sock
4、通过端口和IP管理不同端口的多个MySQL
/usr/local/mysql/bin/mysql -u root -p -P 3306 -h 127.0.0.1
二、数据库操作SQL语句
1、显示服务器上当前存在什么数据库
SHOW DATABASES;
2、创建名称为rewin的数据库
CREATE DATABASE rewin;
3、删除名称为rewin的数据库
DROP DATABASE rewin;
4、选择rewin数据库
USE rewin;
三、表操作SQL语句（登录之后必须用以上的USE命令选择一个数据库，再进行表操作）
1、显示当前数据库中存在什么表
SHOW TABLES;
2、创建数据库表zhangyan：在mysql>后粘贴以下SQL语句，存储引擎为MYISAM，字段id为主键、唯一索引。
CREATE TABLE `zhangyan` (
`id` INT( 5 ) UNSIGNED NOT NULL AUTO_INCREMENT ,
`username` VARCHAR( 20 ) NOT NULL ,
`password` CHAR( 32 ) NOT NULL ,
`time` DATETIME NOT NULL ,
`number` FLOAT( 10 ) NOT NULL ,
`content` TEXT NOT NULL ,
PRIMARY KEY ( `id` )
) ENGINE = MYISAM ;
`id` INT( 5 ) UNSIGNED NOT NULL AUTO_INCREMENT ,
`username` VARCHAR( 20 ) NOT NULL ,
`password` CHAR( 32 ) NOT NULL ,
`time` DATETIME NOT NULL ,
`number` FLOAT( 10 ) NOT NULL ,
`content` TEXT NOT NULL ,
PRIMARY KEY ( `id` )
) ENGINE = MYISAM ;
3、查看zhangyan表结构
DESCRIBE zhangyan;
4、从表中检索信息
4.1、从zhangyan表中检索所有记录
SELECT * FROM zhangyan;
4.2、从zhangyan表中检索特定的行：字段username等于abc，字段number等于1，按字段id降序排列
SELECT * FROM zhangyan WHERE username = 'abc' AND number='1' ORDER BY id DESC;
4.3、从zhangyan表中检索指定的字段：username和password
SELECT username, password FROM zhangyan;
4.4、从zhangyan表中检索出唯一的不重复记录：
SELECT DISTINCT username FROM zhangyan;
5、插入信息到zhangyan表
INSERT INTO zhangyan (id, username, password, time, number, content) VALUES ('', 'abc', '123456', '2007-08-06 14:32:12', '23.41', 'hello world');
6、更新zhangyan表中的指定信息
UPDATE zhangyan SET content = 'hello china' WHERE username = 'abc';
7、删除zhangyan表中的指定信息
DELETE FROM zhangyan WHERE id = 1;
8、清空zhangyan表
DELETE FROM zhangyan;
9、删除zhangyan表
DROP TABLE zhangyan;
10、更改表结构，将zhangyan表username字段的字段类型改为CHAR(25)
ALTER TABLE zhangyan CHANGE username username CHAR(25);
11、将当前目录下的mysql.sql导入数据库
SOURCE ./mysql.sql;
四、数据库权限操作SQL语句
1、创建一个具有root权限，可从任何IP登录的用户sina，密码为zhangyan
GRANT ALL PRIVILEGES ON *.* TO 'sina'@'%' IDENTIFIED BY 'zhangyan' WITH GRANT OPTION;
FLUSH PRIVILEGES;
FLUSH PRIVILEGES;
2、创建一个具有“数据操作”、“结构操作”权限，只能从192.168.1.***登录的用户sina，密码为zhangyan
GRANT SELECT , INSERT , UPDATE , DELETE , FILE , CREATE , DROP , INDEX , ALTER , CREATE TEMPORARY TABLES , CREATE VIEW , SHOW VIEW , CREATE ROUTINE, ALTER ROUTINE, EXECUTE ON *.* TO 'sina'@'192.168.1.%' IDENTIFIED BY 'zhangyan';
3、创建一个只拥有“数据操作”权限，只能从192.168.1.24登录，只能操作rewin数据库的zhangyan表的用户sina，密码为zhangyan
GRANT SELECT , INSERT , UPDATE , DELETE ON rewin.zhangyan TO 'sina'@'192.168.1.24' IDENTIFIED BY 'zhangyan';
4、创建一个拥有“数据操作”、“结构操作”权限，可从任何IP登录，只能操作rewin数据库的用户sina，密码为zhangyan
GRANT SELECT , INSERT , UPDATE , DELETE , CREATE , DROP , INDEX , ALTER , CREATE TEMPORARY TABLES , CREATE VIEW , SHOW VIEW , CREATE ROUTINE, ALTER ROUTINE, EXECUTE ON rewin.* TO 'sina'@'%' IDENTIFIED BY 'zhangyan';
5、删除用户
DROP USER 'sina'@'%';
PS：如果想了解更多的MySQL操作资料，请参考MySQL官方的中文参考手册
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