mysql语句

mysql> create database test;
Query OK, 1 row affected (0.02 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| logs               |
| mysql              |
| performance_schema |
| pid                |
| sys                |
| test               |
| tmp                |
+--------------------+
8 rows in set (0.00 sec)

mysql> drop database test;
Query OK, 0 rows affected (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| logs               |
| mysql              |
| performance_schema |
| pid                |
| sys                |
| tmp                |
+--------------------+
7 rows in set (0.00 sec)

mysql>