操作数据库

mysql> create database mike charset=utf8;
Query OK, 1 row affected (0.01 sec)
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mike               |
| mysql              |
| performance_schema |
| sys                |
| test               |
| test_01            |
+--------------------+
7 rows in set (0.00 sec)mysql> drop database mike;
Query OK, 0 rows affected (0.02 sec)

操作数据表

mysql> use test_01;
Database changed
mysql> desc info01;
+-------+--------------+------+-----+---------+-------+
| Field | Type         | Null | Key | Default | Extra |
+-------+--------------+------+-----+---------+-------+
| name  | varchar(255) | YES  |     | NULL    |       |
| age   | int(3)       | YES  |     | NULL    |       |
+-------+--------------+------+-----+---------+-------+
2 rows in set (0.01 sec)mysql> show create table info01;
+--------+------------------------------------------------------------------------------------------------------------------------------+
| Table  | Create Table                                                                                                                 |
+--------+------------------------------------------------------------------------------------------------------------------------------+
| info01 | CREATE TABLE `info01` (`name` varchar(255) DEFAULT NULL,`age` int(3) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
+--------+------------------------------------------------------------------------------------------------------------------------------+