show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sakila |
| sys |
| world |
+--------------------+
mysql> create database stusys;
Query OK, 1 row affected (0.01 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sakila |
| stusys |
| sys |
| world |
+--------------------+
mysql> use stusys;
Database changed
mysql> alter database stusys
-> default character set gb2312
-> default collate gb2312_chinese_ci;
Query OK, 1 row affected (0.01 sec)
mysql> drop database stusys;
Query OK, 0 rows affected (0.01 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sakila |
| sys |
| world |
+--------------------+
6 rows in set (0.00 sec)
mysql> use stusys;
Database changed
mysql> create table student
-> (
-> sno char(6) not null primary key,
-> sname char(8) not null,
-> ssex char(2) not null default '男',
-> sbirthday date not null,
-> speciality char(12) null,
-> tc tinyint null
-> );
Query OK, 0 rows affected (0.02 sec)