mysql的创建数据库表及添加数据

C:\Users\ceshi>mysql -u root -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
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.

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

mysql> use qa;
Database changed
mysql> create table results(
-> id int not null auto_increment,
-> primary key(id));
Query OK, 0 rows affected (0.19 sec)

mysql> alter table results add column test_suit varchar(255);
Query OK, 0 rows affected (0.32 sec)
Records: 0 Duplicates: 0 Warnings: 0

mysql> alter table results add column test_name varchar(255) not null;
Query OK, 0 rows affected (0.28 sec)
Records: 0 Duplicates: 0 Warnings: 0

mysql> alter table results add column test_status varchar(10) not null;
Query OK, 0 rows affected (0.29 sec)
Records: 0 Duplicates: 0 Warnings: 0

mysql> describe results;
+-------------+--------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------------+--------------+------+-----+---------+----------------+
| id | int(11) | NO | PRI | NULL | auto_increment |
| test_suit | varchar(255) | YES | | NULL | |
| test_name | varchar(255) | NO | | NULL | |
| test_status | varchar(10) | NO | | NULL | |
+-------------+--------------+------+-----+---------+----------------+
4 rows in set (0.02 sec)
mysql> insert into results(id,test_suit,test_name,test_status) values(2,"python web","article","200");
Query OK, 1 row affected (0.03 sec)