MySQL数据库
步骤一：添加MYSQL的环境变量右击我的电脑-属性-高级-环境变量-找到path，点击编辑，将C:或D：盘下的MYSQL的mysql/mysql server 5.6/bin的路径添加到path中
步骤二：登陆MYSQL开始-运行-cmd-，在DOS环境下输入mysql –h localhost –u root -p，输入密码，看到mysql>说明登陆成功。C:\Documents and Settings\kwt>mysql -h localhost -u root -pEnter password: ***Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 223Server version: 5.5.50 MySQL Community Server (GPL)Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql>
步骤三：创建一个不存在的数据库（若已存在，此步骤省略）本例：创建学生成绩数据库，数据库名为“wang”mysql> CREATE DATABASE wang;Query OK, 1 row affected (0.03 sec) mysql> 出现OK表示创建数据库成功
步骤四：指定当前操作的数据库（每次操作数据表时必须先做的步骤）指定学生成绩数据库“xscj”为当前操作数据库mysql> USE wang;Database changed 当前数据库改变成功mysql>