SHOW DATABASES命令用于显示当前存在的MySQL数据库列表。

mysql> Show Databases;

+-----------------------------+
| Database                    |
+-----------------------------+
| information_schema          |
| gaurav                      |
| mysql                       |
| performance_schema          |
| query                       |
| query1                      |
| sys                         |
| tutorials                   |
+-----------------------------+

8 rows in set (0.02 sec)