mysql基础 drop table 删除一个表或者多个表

•        OS : Ubuntu 18.04.1 LTS
•        DBMS : mysql 8.0.12

示例 - 删除一个表

stu@Ubuntu:~$ mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 81
Server version: 8.0.12 MySQL Community Server - GPL

Copyright (c) 2000, 2018, 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> show databases;
+--------------------+
| Database           |
+--------------------+
| db_herbal_medicine |
| employees          |
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
6 rows in set (0.00 sec)

mysql> use db_herbal_medicine;
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_db_herbal_medicine |
+------------------------------+
| t_cereal                     |
| t_soil                       |
| t_water                      |
+------------------------------+
3 rows in set (0.00 sec)

mysql> drop table t_cereal;
Query OK, 0 rows affected (0.07 sec)

mysql> show tables;
+------------------------------+
| Tables_in_db_herbal_medicine |
+------------------------------+
| t_soil                       |
| t_water                      |
+------------------------------+
2 rows in set (0.00 sec)

mysql> exit
Bye
stu@Ubuntu:~$ 

示例 - 删除多个表

stu@Ubuntu:~$ mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 82
Server version: 8.0.12 MySQL Community Server - GPL

Copyright (c) 2000, 2018, 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> show databases;
+--------------------+
| Database           |
+--------------------+
| db_herbal_medicine |
| employees          |
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
6 rows in set (0.00 sec)

mysql> use db_herbal_medicine;
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_db_herbal_medicine |
+------------------------------+
| t_soil                       |
| t_water                      |
+------------------------------+
2 rows in set (0.00 sec)

mysql> drop table t_soil,t_water;
Query OK, 0 rows affected (0.06 sec)

mysql> show tables;
Empty set (0.00 sec)

mysql> exit
Bye
stu@Ubuntu:~$ 

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