MySQL数据库操作

MySQL数据库

　　查看已经存在的数据库　

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
+--------------------+
3 rows in set (0.00 sec)

　　创建数据库，再查看数据库

mysql> create database mysqltest;
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| mysqltest          |
| performance_schema |
+--------------------+
4 rows in set (0.00 sec)

mysql> 

　　切换到当前我们刚才所创建的数据库　

mysql> use mysqltest;
Database changed

　　修改数据库

　　修改刚才创建的数据库的默认字符集和校对规则　

mysql> alter database mysqltest 
            default character set gb2312     
            default collate gb2312_chinese_ci; 
            Query OK, 1 row affected (0.00 sec)
mysql>                     

　　删除数据库　　

mysql> drop database if exists mysqltest;
Query OK, 0 rows affected (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
+--------------------+
3 rows in set (0.01 sec)

mysql>