命令列建立Mysql資料庫的例子

命令列下建立不同字元集的資料庫、刪除資料庫：

[root@lamp ~]# /usr/local/mysql/bin/mysql -uroot -p'admin123'
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or ＼g.
Your MySQL connection id is 2
Server version: 5.6.16 Source distribution

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

mysql> create database byrd_default;    #建議一個叫做byrd_default的資料庫
Query OK, 1 row affected (0.08 sec)
mysql> show databases like 'byrd%';    #查看以byrd開頭的資料庫，
+------------------+
| Database (byrd%) |
+------------------+
| byrd_default     |
+------------------+
1 row in set (0.00 sec)
mysql> show create database byrd_default;    #查看系統建立byrd_default命令，byrd_default預設編碼是utf8，因為我編譯mysql的時候設定的預設編碼為utf8
+--------------+-----------------------------------------------------------------------+
| Database     | Create Database                                                       |
+--------------+-----------------------------------------------------------------------+
| byrd_default | CREATE DATABASE `byrd_default` /*!40100 DEFAULT CHARACTER SET utf8 */ |
+--------------+-----------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> create database gbk default character set gbk collate gbk_chinese_ci;    #建立一個名字叫做gbk，編碼方式是gbk的資料庫
Query OK, 1 row affected (0.00 sec)
mysql> show create database gbk;
+----------+-------------------------------------------------------------+
| Database | Create Database                                             |
+----------+-------------------------------------------------------------+
| gbk      | CREATE DATABASE `gbk` /*!40100 DEFAULT CHARACTER SET gbk */ |
+----------+-------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> show databases;    #所有資料庫表
+--------------------+
| Database           |
+--------------------+
| information_schema |
| byrd_default       |
| gbk                |
| gbk1               |
| gbk2               |
| gbk3               |
| gbk4               |
| mysql              |
| performance_schema |
| test               |
| ultrax             |
+--------------------+
11 rows in set (0.00 sec)

mysql> drop database gbk1;    #刪除名字為gbk1的資料庫
Query OK, 0 rows affected (0.19 sec)

mysql> drop database gbk2;
Query OK, 0 rows affected (0.00 sec)

mysql> drop database gbk3;
Query OK, 0 rows affected (0.00 sec)

mysql> drop database gbk4;
Query OK, 0 rows affected (0.01 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| byrd_default       |
| gbk                |
| mysql              |
| performance_schema |
| test               |
| ultrax             |
+--------------------+
7 rows in set (0.00 sec)

mysql> drop database if exists byrd_default;    #如果byrd_default的資料庫存在則刪除，如果不存在則提示警告
Query OK, 0 rows affected (0.00 sec)

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

mysql>