March 2018
Beginner to intermediate
624 pages
16h 10m
Japanese
Content preview from Head First Python 第2版 ―頭とからだで覚えるPythonの基本
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Python
と
MySQL
Python
の
DB-API
とは
データベースサーバをインストールしたので、詳しい説明の前に、
Python
で
MySQL
を扱うためのドライバを追加しましょう。
Python
イ ン タ プ リタ は デ ータ ベ ー スを 最 初か ら サ ポー ト し てい ま す が、
MySQL
専用ではありません。DB-API と呼ばれる、
SQL
ベースのデータベース
を扱うための標準データベース
API
（アプリケーションプログラミングインタ
フェース）を提供しています。足りないのは、
DB-API
を使用している実際のデー
タベースに接続するためのドライバです。
Python
を使ってデータベースとやり取りするときには、どのようなデータベー
スでも通常は
DB-API
を使います。
DB-API
がデータベースの実際の
API
との間
の抽象レイヤとなるため、ドライバを使うとデータベースの実際の
API
とやり取
りするために詳細を理解しなくて済みます。要するに、
DB-API
でプログラミン
グすると、既存のコードを無駄にせず必要に応じて使用するデータベースを置き
換えることができるのです。
DB-API
については、この章の後半でさらに詳しく説明します。下の図は、
Python
の
DB-API
を使った結果をわかりやすく表現したものです。
P y t h o n
の
D B - A P I
は
P E P
0247
で定義されています。
PEP
0247
は（入門のチュートリアル
とは異なり）主にデータベースド
ライバ実装者が仕様とし
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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.