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、ISBN4-87311-281-8) の4章(フィルタリング), 4.5(練習問題)4-4を解いてみる。
4-4.
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 325 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 (0.06 sec) mysql> desc invidiaul; ERROR 1146 (42S02): Table 'bank.invidiaul' doesn't exist mysql> desc individual; +------------+------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------+------------------+------+-----+---------+-------+ | cust_id | int(10) unsigned | NO | PRI | NULL | | | fname | varchar(30) | NO | | NULL | | | lname | varchar(30) | NO | | NULL | | | birth_date | date | YES | | NULL | | +------------+------------------+------+-----+---------+-------+ 4 rows in set (0.03 sec) mysql> select fname,lname -> from individual -> where lname regexp '^[A-Z]a[a-z]*e'; +---------+--------+ | fname | lname | +---------+--------+ | James | Hadley | | Richard | Farley | +---------+--------+ 2 rows in set (0.01 sec) mysql> quit; Bye $
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