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)4-2を解いてみる。
4-2.
トランザクションID, 4, 9。
確認。
SQL文(TextWrangler)
select txn_id from tmp where account_id in (101, 103) and not (txn_type_cd = 'DBT' or amount> 100);
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 9 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> select txn_id from tmp -> where -> account_id in (101, 103) and -> not (txn_type_cd = 'DBT' or amount> 100); +--------+ | txn_id | +--------+ | 4 | | 9 | +--------+ 2 rows in set (0.02 sec) mysql> quit Bye $
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