MySQLラーニングノート:データベースとデータベースのテーブルの作成

sudo mysql

show databases;#        
use test;#        'test'(      newdb    ：create database newdb;)
show tables;#            

#           ，    5 ，   Id,LastName,FirstName,Address,City:
mysql> create table test_table0(
-> Id int,
-> LastName varchar(255),
-> FirstName varchar(255),
-> Address varchar(255),
-> City varchar(255)
-> );
Query OK, 0 rows affected (0.24 sec)

#        
mysql> desc test_table0;
+-----------+--------------+------+-----+---------+-------+
| Field     | Type         | Null | Key | Default | Extra |
+-----------+--------------+------+-----+---------+-------+
| Id        | int(11)      | YES  |     | NULL    |       |
| LastName  | varchar(255) | YES  |     | NULL    |       |
| FirstName | varchar(255) | YES  |     | NULL    |       |
|Address   | varchar(255) | YES  |     | NULL    |       |
| City      | varchar(255) | YES  |     | NULL    |       |
+-----------+--------------+------+-----+---------+-------+
5 rows in set (0.00 sec)

#         
mysql> insert into test_table0(LastName,FirstName,Address,City) values('Carter','Vince','Changping','Beijing');
Query OK, 1 row affected (0.12 sec)
#      
mysql> select * from test_table0;
+------+----------+-----------+-----------+---------+
| Id   | LastName | FirstName | Address   | City    |
+------+----------+-----------+-----------+---------+
| NULL | Carter   | Vince     | Changping | Beijing |
+------+----------+-----------+-----------+---------+
3 rows in set (0.00 sec)