SQL - クエリ入門(select節、from節、order by節)

初めてのSQL
Alan Beaulieu (著)

開発環境

• OS: OS X Lion - Apple
• データベース言語: SQL
• リレーショナルデータベース: MySQL

『初めてのSQL』(Alan Beaulieu 著、株式会社クイープ 翻訳、オライリー・ジャパン、2006年、ISBN4-8733-181-8) の3章(クエリ入門),　3.8(練習問題)3-1を解いてみる。

3-1.

SQL文(TextWrangler)

select emp_id, fname, lname
from employee
order by lname, fname;

入出力結果(Terminal)

$ mysql -u lrngsql -p bank
Enter password: 
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 5.5.24 MySQL Community Server (GPL)

Copyright (c) 2000, 2011, 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> show tables;
+----------------+
| Tables_in_bank |
+----------------+
| account        |
| branch         |
| business       |
| customer       |
| department     |
| employee       |
| individual     |
| officer        |
| product        |
| product_type   |
| tmp            |
| transaction    |
+----------------+
12 rows in set (0.02 sec)

mysql> desc employee;
+--------------------+----------------------+------+-----+---------+----------------+
| Field              | Type                 | Null | Key | Default | Extra          |
+--------------------+----------------------+------+-----+---------+----------------+
| emp_id             | smallint(5) unsigned | NO   | PRI | NULL    | auto_increment |
| fname              | varchar(20)          | NO   |     | NULL    |                |
| lname              | varchar(20)          | NO   |     | NULL    |                |
| start_date         | date                 | NO   |     | NULL    |                |
| end_date           | date                 | YES  |     | NULL    |                |
| superior_emp_id    | smallint(5) unsigned | YES  | MUL | NULL    |                |
| dept_id            | smallint(5) unsigned | YES  | MUL | NULL    |                |
| title              | varchar(20)          | YES  |     | NULL    |                |
| assigned_branch_id | smallint(5) unsigned | YES  | MUL | NULL    |                |
+--------------------+----------------------+------+-----+---------+----------------+
9 rows in set (0.20 sec)

mysql> select emp_id, fname, lname
    -> from employee
    -> order by lname, fname;
+--------+----------+-----------+
| emp_id | fname    | lname     |
+--------+----------+-----------+
|      2 | Susan    | Barker    |
|     13 | John     | Blake     |
|      6 | Helen    | Fleming   |
|     17 | Beth     | Fowler    |
|      5 | John     | Gooding   |
|      9 | Jane     | Grossman  |
|      4 | Susan    | Hawthorne |
|     12 | Samantha | Jameson   |
|     16 | Theresa  | Markham   |
|     14 | Cindy    | Mason     |
|      8 | Sarah    | Parker    |
|     15 | Frank    | Portman   |
|     10 | Paula    | Roberts   |
|      1 | Michael  | Smith     |
|      7 | Chris    | Tucker    |
|     18 | Rick     | Tulman    |
|      3 | Robert   | Tyler     |
|     11 | Thomas   | Ziegler   |
+--------+----------+-----------+
18 rows in set (0.02 sec)

mysql> quit
Bye
$