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Mysql语句入门(1)

进入退出¶

mysql -u root -p
Enter password: 

mysql> quit

创建数据库¶

mysql> CREATE DATABASE tulpar_db CHARACTER SET utf8 COLLATE utf8_general_ci;


mysql> GRANT ALL ON tulpar_db.* TO 'tulpar'@'localhost' IDENTIFIED BY 'mypassword';

导入数据库¶

常用source 命令¶
mysql>use tulpar_db
mysql>source ../wcnc_db.sql

导出整个数据库¶

mysqldump -u 用户名 -p 数据库名 > 导出的文件名

mysqldump -u tulpar -p tulpar_db > tulpar_db.sql

删除数据库¶

show databases;
DROP DATABASE <databasename>;

删除数据表¶

use tulpar_db;
show tables;
DROP TABLE <tablename>;

Ubuntu中配置Mysql编码¶

找到配置文件¶

我是通过sudo apt-get install mysql来安装的。mysql的配置文件在/etc/mysql/my.cnf 如果找不到这个文件,可以运行sudo find / -iname ‘*.cnf’查找所有的cnf文件

改配置文件¶

在[mysqld]下添加 default-character-set=utf8 在[client]下添加 default-character-set=utf8

重启mysql¶

sudo service mysql restart

登录mysql查看是否成功¶
mysql -u root

mysql> SHOW VARIABLES LIKE 'char%';
+--------------------------+----------------------------+
| Variable_name            | VALUE                      |
+--------------------------+----------------------------+
| character_set_client     | utf8                       |
| character_set_connection | utf8                       |
| character_set_database   | utf8                       |
| character_set_filesystem | BINARY                     |
| character_set_results    | utf8                       |
| character_set_server     | utf8                       |
| character_set_system     | utf8                       |
| character_sets_dir       | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 ROWS IN SET (0.00 sec)
修改已经部署的数据库编码¶

感觉还是挺麻烦的,注意要修改数据库、表、字段的编码。


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Published

Jun 19, 2014

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  • Mysql 5
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