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| 1 | +Linux平台MySQL的有关目录: |
| 2 | + |
| 3 | +| 目录 | 描述 | |
| 4 | +| ------------------ | -------------------------- | |
| 5 | +| /usr/bin | 客户端和脚本 | |
| 6 | +| /usr/sbin | MYSQLD服务器 | |
| 7 | +| /usr/lib/mysql | 库 | |
| 8 | +| /usr/share/info | 信息格式的手册 | |
| 9 | +| /usr/share/man | UNIX帮助页 | |
| 10 | +| /usr/share/mysql | 错误消息、字符集、示例配置 | |
| 11 | +| /usr/include/mysql | 头文件 | |
| 12 | +| **/var/lib/mysql** | 日志文件和数据库 | |
| 13 | + |
| 14 | + |
| 15 | + |
| 16 | +```shell |
| 17 | +# 关于MySQL启动与关闭服务的命令分别表示:启动、停止、重启、查看状态 |
| 18 | +$ service mysqld start | stop | restart | status |
| 19 | +``` |
| 20 | + |
| 21 | +查看数据库的引擎情况: |
| 22 | + |
| 23 | +```mysql |
| 24 | +SHOW ENGINES; |
| 25 | ++--------------------+---------+----------------------------------------------------------------+--------------+------+------------+ |
| 26 | +| Engine | Support | Comment | Transactions | XA | Savepoints | |
| 27 | ++--------------------+---------+----------------------------------------------------------------+--------------+------+------------+ |
| 28 | +| InnoDB | DEFAULT | Supports transactions, row-level locking, and foreign keys | YES | YES | YES | |
| 29 | +| MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO | |
| 30 | +| MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO | |
| 31 | +| BLACKHOLE | YES | /dev/null storage engine (anything you write to it disappears) | NO | NO | NO | |
| 32 | +| MyISAM | YES | MyISAM storage engine | NO | NO | NO | |
| 33 | +| CSV | YES | CSV storage engine | NO | NO | NO | |
| 34 | +| ARCHIVE | YES | Archive storage engine | NO | NO | NO | |
| 35 | +| PERFORMANCE_SCHEMA | YES | Performance Schema | NO | NO | NO | |
| 36 | +| FEDERATED | NO | Federated MySQL storage engine | NULL | NULL | NULL | |
| 37 | ++--------------------+---------+----------------------------------------------------------------+--------------+------+------------+ |
| 38 | +9 rows in set (0.00 sec) |
| 39 | +``` |
| 40 | + |
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