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4章(フィルタリング), 4.5(練習問題)4-3を解いてみる。
4-3.
SQL文(TextWrangler)
select account_id from account where open_date between '2002-01-01' and '2002-12-31';
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 11 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 (0.00 sec) mysql> desc account; +--------------------+----------------------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +--------------------+----------------------------------+------+-----+---------+----------------+ | account_id | int(10) unsigned | NO | PRI | NULL | auto_increment | | product_cd | varchar(10) | NO | MUL | NULL | | | cust_id | int(10) unsigned | NO | MUL | NULL | | | open_date | date | NO | | NULL | | | close_date | date | YES | | NULL | | | last_activity_date | date | YES | | NULL | | | status | enum('ACTIVE','CLOSED','FROZEN') | YES | | NULL | | | open_branch_id | smallint(5) unsigned | YES | MUL | NULL | | | open_emp_id | smallint(5) unsigned | YES | MUL | NULL | | | avail_balance | float(10,2) | YES | | NULL | | | pending_balance | float(10,2) | YES | | NULL | | +--------------------+----------------------------------+------+-----+---------+----------------+ 11 rows in set (0.00 sec) mysql> select account_id from account -> where open_date -> between '2002-01-01' and '2002-12-31'; +------------+ | account_id | +------------+ | 7 | | 8 | | 14 | | 24 | | 25 | +------------+ 5 rows in set (0.00 sec) mysql> quit; Bye $
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