January 2021
Intermediate
240 pages
5h 32m
Japanese
Content preview from 図解まるわかり データベースのしくみ
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
46
リレーショナル型データベースで、図書館に所蔵されている本や、連絡
先を記録しておくためのアドレス帳をデータベースにしてみましょう。ど
のようなテーブルやカラムが必要か考えてみてください。また、レコード
を追加したときに、フィールドにどのような値が入るか考えてみましょ
う。
図書館に所蔵されている本の例
名前 作者名 ジャン ル 貸し出し状況
プ ログラミング 入 門 山田 太郎 IT 貸し出し中
データベース活用術 鈴木 一郎 IT 所蔵
エンジニアの仕事術 斉藤 次郎 ビジネス 貸し出し中
アドレス帳の例
名前 ふりがな 電話番号 メー ル アドレ ス
山田 太郎 やまだ たろう 090-****-**** yamada@***.com
鈴木 一郎 すずき いちろう 090-****-**** suzuki@***.com
やってみよう
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.