目录
- 20.1. mysql - the MySQL command-line tool
-
- 20.1.1. ~/.my.cnf
- 20.1.2. 屏幕输出到文件
- 20.1.3. 终端编码
- 20.1.4. Unix Socket
- 20.1.5. 重定向巧用
- 20.1.6. --sigint-ignore 忽略 Ctrl + C
- 20.2. mysqldump - a database backup program
-
- 20.2.1. 备份数据库,无结构,只有数据
- 20.2.2. 备份数据库结构(不备份数据)
- 20.2.3. 使用完整的insert插入数据
- 20.2.4. --extended-insert / --skip-extended-insert
- 20.2.5. --skip-lock-tables
- 20.2.6. --skip-add-locks
- 20.2.7. --where
- 20.2.8. 注释信息--comments /--skip-comments
- 20.3. mysqladmin - client for administering a MySQL server
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- 20.3.1. reload
- 20.3.2. 更改密码
- 20.3.3. status
- 20.3.4. process list
- 20.4. myisamchk — MyISAM Table-Maintenance Utility
- 20.5. mysqlcheck — A Table Maintenance and Repair Program
- 20.6. mysqlslap - load emulation client
- 20.7. mysqldumpslow - Parse and summarize the MySQL slow query log.
- 20.8. mysql log
20.1. mysql - the MySQL command-line tool
20.1.1. ~/.my.cnf
# mysql_secure_installation config file [mysql] [mysqld] [client] user=root password='chen' [mysqldump] quick [mysqladmin] [mysqlhotcopy]
20.1.2. 屏幕输出到文件
mysql>tee /home/neo/screen.txt mysql>select * from member; mysql>exit
20.1.3. 终端编码
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)
设置终端编码 set names utf8;
mysql> select * from category; +----+------+-------------+--------+-----------+-----------+ | id | name | description | status | parent_id | path | +----+------+-------------+--------+-----------+-----------+ | 1 | ?? | ??????? | Y | NULL | 1/ | | 4 | ??? | ??? | Y | 1 | 1/4 | | 5 | ??? | NULL | Y | 4 | 1/4/5 | | 6 | ??? | NULL | Y | 5 | 1/4/5/6 | | 7 | ??? | NULL | Y | 6 | 1/4/5/6/7 | +----+------+-------------+--------+-----------+-----------+ 5 rows in set (0.00 sec) mysql> set names utf8; Query OK, 0 rows affected (0.00 sec) mysql> select * from category; +----+-----------+-----------------------+--------+-----------+-----------+ | id | name | description | status | parent_id | path | +----+-----------+-----------------------+--------+-----------+-----------+ | 1 | 中国 | 中华人民共和家 | Y | NULL | 1/ | | 4 | 广东省 | 广东省 | Y | 1 | 1/4 | | 5 | 深圳市 | NULL | Y | 4 | 1/4/5 | | 6 | 宝安区 | NULL | Y | 5 | 1/4/5/6 | | 7 | 龙华镇 | NULL | Y | 6 | 1/4/5/6/7 | +----+-----------+-----------------------+--------+-----------+-----------+ 5 rows in set (0.00 sec)
20.1.4. Unix Socket
mysql -uroot -p -S /tmp/mysql.sock
20.1.5. 重定向巧用
echo "show databases;" | mysql -uroot -pneo cat |mysql -uroot -pneo << EOF show databases; EOF
20.1.6. --sigint-ignore 忽略 Ctrl + C
使用该选项方式用户中途通过 Ctrl + C 推出,只能通过 quit 退出
$ mysql --sigint-ignore Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 71 Server version: 5.5.32-0ubuntu0.13.04.1 (Ubuntu) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> quit Bye
原文出处:Netkiller 系列 手札
本文作者:陈景峯
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