1. 创建数据库
1.1 启动Mysql
[root@localhost ~]# mysql -h127.0.0.1 -uroot -pmysql
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 4
Server version: 5.6.24 MySQL Community Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
1.2 创建数据库
mysql> create database Kevindb1;
Query OK, 1 row affected (0.08 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| Kevindb1 |
| mysql |
| performance_schema |
| test |
+--------------------+
5 rows in set (0.01 sec)
mysql>
2. 创建数据表
mysql> use Kevindb1;
Database changed
mysql> create table users(userID varchar(8),userName varchar(8));
Query OK, 0 rows affected (0.35 sec)
mysql> show tables;
+--------------------+
| Tables_in_Kevindb1 |
+--------------------+
| users |
+--------------------+
1 row in set (0.00 sec)
3. 在user表中插入数据
mysql> insert into users values('0001','Tom');
Query OK, 1 row affected (0.08 sec)
mysql> insert into users values('0002','James');
Query OK, 1 row affected (0.04 sec)
mysql> select * from users;
+--------+----------+
| userID | userName |
+--------+----------+
| 0001 | Tom |
| 0002 | James |
+--------+----------+
2 rows in set (0.00 sec)
4. 查看表结构
mysql> desc users;
+----------+------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------+------------+------+-----+---------+-------+
| userID | varchar(8) | YES | | NULL | |
| userName | varchar(8) | YES | | NULL | |
+----------+------------+------+-----+---------+-------+
2 rows in set (0.07 sec)