MYSQL数据库的基本操作

Posted 2021-03-25 no-end-to-learning

启动/关闭mysql数据库服务：

net start/stop mysql

登录数据库：mysql -h[IP] -u[用户名] -p[密码]

例如：登录本地数据库
mysql -hlocalhost -uroot -p123456

查看数据库：show databases;

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

mysql>

创建数据库：create database [库名];

mysql> create database TestDB;
Query OK, 1 row affected (0.00 sec)

mysql>

切换/使用数据库：use [库名]

mysql> use testdb;
Database changed

创建数据库的数据表：

create table Student
(
ID varchar(50),
Name varchar(50),
Age int
);

查看数据的数据表：show tables;

mysql> show tables;
+------------------+
| Tables_in_testdb |
+------------------+
| student          |
+------------------+
1 row in set (0.00 sec)

mysql>