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第 49 章 Database Administration

目录

49.1. User Account Management
49.1.1. Create User
49.1.2. Drop User
49.1.3. Rename User
49.1.4. SET PASSWORD
49.2. Access Privilege System
49.2.1. SHOW GRANTS
49.2.2. show privileges
49.2.3. Grant privileges
49.2.4. Revoke privileges
49.2.5. Show Privileges
49.2.6. MAX_QUERIES_PER_HOUR/MAX_UPDATES_PER_HOUR
49.2.7. Table Privileges
49.2.8. Column Privileges
49.3. Maintenance 数据库维护
49.3.1. CHECK 检查表
49.3.2. ANALYZE 分析表
49.3.3. CHECKSUM
49.3.4. OPTIMIZE 优化表
49.3.5. REPAIR 修复
49.4. INFORMATION_SCHEMA
49.4.1. 查询表字段
49.4.2. 列出所有触发器
49.5. Backup and Recovery
49.5.1. Import / Export
49.5.1.1. Export(Backup)
49.5.1.2. Import(Recovery)
49.5.1.3. xml
49.5.1.4. 备份表数据
49.5.1.5. source
49.5.1.6. 使用 mysqlhotcopy 备份 MyISAM 引擎的数据库
49.5.1.7. AutoMySQLBackup
49.5.1.8. xtrabackup - Open source backup tool for InnoDB and XtraDB.
49.5.1.8.1. Percona yum Repository
49.5.1.8.2. Creating an Incremental Backup
49.5.2. Snapshot Backup
49.5.2.1. LVM Snapshot
49.5.2.2. Btrfs Snapshot

49.1. User Account Management

49.1.1. Create User

CREATE USER user [IDENTIFIED BY [PASSWORD] 'password']
    [, user [IDENTIFIED BY [PASSWORD] 'password']] ...
			
CREATE USER 'test'@'xxx.xxx.xxx.xxx' IDENTIFIED BY  'your_password';
			
CREATE USER 'root'@'192.168.1.%' IDENTIFIED BY 'password';
			

add a new user by grant

			
GRANT ALL PRIVILEGES ON opencart.* TO 'neo'@'localhost' IDENTIFIED BY 'chen' WITH GRANT OPTION;

GRANT ALL PRIVILEGES ON *.* TO 'neo'@'localhost' IDENTIFIED BY 'chen' WITH GRANT OPTION;

FLUSH PRIVILEGES;
			
			

49.1.2. Drop User

DROP USER user [, user] ...
			
			
mysql> drop user admin@'localhost';
Query OK, 0 rows affected (0.00 sec)

mysql> drop user admin@'127.0.0.1';
Query OK, 0 rows affected (0.00 sec)
			
			

49.1.3. Rename User

RENAME USER old_user TO new_user [, old_user TO new_user] ...
			

49.1.4. SET PASSWORD

mysql 5.7 之前的版本

SET PASSWORD FOR 'bob'@'%.loc.gov' = PASSWORD('newpass');

SET PASSWORD FOR 'root'@'%' = PASSWORD('co2uqAMAho1aSOS62146Xoci6ogu4I');
			

MySQL 5.7

ALTER USER 'root'@'localhost' IDENTIFIED BY 'your_password';