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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