步骤1 - 连接到MySQL数据库服务器：

[root@host]# mysql -u root -p

Enter password:******

提示登陆成功

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 215827

Server version: 5.7.25-log Source distribution

Copyright (c) 2000, 2019, 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.

退出数据库

mysql> exit

步骤2 -切换到ytkah数据库(进入到具体的数据库)：

mysql> USE ytkah;

Database changed

表示进入到ytkah这个数据库

步骤3 - 显示ytkah数据库中的所有表：

mysql> SHOW TABLES;

+---------------------------+

| Tables_in_ytkah |

+---------------------------+

| wp_commentmeta |

| wp_comments |

| wp_links |

| wp_options |

| wp_postmeta |

| wp_posts |

| wp_term_relationships |

| wp_term_taxonomy |

| wp_termmeta |

| wp_terms |

| wp_usermeta |

| wp_users |

+---------------------------+

14 rows in set (0.00 sec)

显示ytkah数据库中包含字符的所有表：

①显示数据库中以wp_user开头的所有表

mysql> show tables like 'wp_user%';

+--------------------------------------+

| Tables_in_ytkah (wp_user%) |

+--------------------------------------+

| wp_usermeta |

| wp_users |

+--------------------------------------+

2 rows in set (0.00 sec)

②显示数据库中以users结尾的所有表

mysql> show tables like '%users';

+------------------------------------+

| Tables_in_ytkah (%users) |

+------------------------------------+

| wp_users |

+------------------------------------+

1 row in set (0.00 sec)

③显示数据库中包含user的所有表

mysql> show tables like '%user%';

+------------------------------------+

| Tables_in_ytkah (%user%) |

+------------------------------------+

| wp_usermeta |

| wp_users |

+------------------------------------+

2 rows in set (0.00 sec)