August 2024
Intermediate to advanced
392 pages
10h 4m
Japanese
Content preview from 達人に学ぶDB設計徹底指南書 第2版
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の種類があるからです。システム関係の書籍や製品のマニュアルを読むと「～バッ
クアップ」という用語がたくさん出てきて、混乱してしまうことがあります。最初
はそれらの意味や区別を理解するだけでも大変な思いをします
。
しかし実は、データベースのバックアップについては、主要な分類基準は一つし
かありません。その基準にそって分類される三つのバックアップ方式を覚えてしま
えば、あとは補足的なものだけです。そこでまずは、主要な三つの方式について見
ていくことにしましょう
。
データベースのデータを対象とした主要な三つのバックアップ方式は、以下のと
おりです。
データベースのバックアップ設計においては、この三つの方式を組み合わせてい
きます（すぐ後で説明しますが、どれか一つだけ、ということは普通ありません）。
この区分は、バックアップデータをどのような単位で分割するか、という基準に基
づいており、「完全」とか「差分」は、その単位を示しています。それでは、具体
的に詳細を見ていきましょう。
（full backup）、または完全バックアップは、あらゆるバック
アップ方式の基本で、最も単純で理解しやすい方法です。「フル（全部）」という
言葉のとおり、ある時点でそのシステムで保持されているすべてのデータをバック
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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.