1. 登陆mysql
   

   harvey@harvey-Virtual-Machine:~/ruby/mydiary$ mysql -u root -p
   Enter password: 
   Welcome to the MySQL monitor.  Commands end with ; or \g.

   
2. 查看所有的数据库
   

   mysql> show databases; --注意必须要用;结尾否则不会立即执行代码
   +--------------------+
   | Database           |
   +--------------------+
   | information_schema |
   | mydiary            |
   | mysql              |
   | performance_schema |
   +--------------------+
   4 rows in set (0.00 sec)

   
3. 切换数据库，并显示所有的表
   

   mysql> use mysql #mysql是数据库自带的
   Reading table information for completion of table and column names
   You can turn off this feature to get a quicker startup with -A
   
   Database changed
   mysql> show tables
       -> ;
   +---------------------------+
   | Tables_in_mysql           |
   +---------------------------+
   | columns_priv              |
   | db                        |
   | event                     |
   | func                      |
   | general_log               |
   | help_category             |
   | help_keyword              |
   | help_relation             |
   | help_topic                |
   | host                      |
   | ndb_binlog_index          |
   | plugin                    |
   | proc                      |
   | procs_priv                |
   | proxies_priv              |
   | servers                   |
   | slow_log                  |
   | tables_priv               |
   | time_zone                 |
   | time_zone_leap_second     |
   | time_zone_name            |
   | time_zone_transition      |
   | time_zone_transition_type |
   | user                      | #这里是mysql的所有用户
   +---------------------------+
   24 rows in set (0.00 sec)

   

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ubuntu命令行操作mysql常用操作