库、表曾删改查和存储引擎

一、数据库的增删改查

增：create database xiaoyu;

mysql> create database xiaoyu;
Query OK, 1 row affected (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
| wordpress          |
| xiaoyu             |
+--------------------+
6 rows in set (0.00 sec)

增