本書は， DBを使ったアプリケーション開発経験があるエンジニアを対象に， リレーショナルモデルを理解し， より効率的にDB設計を行い， 適切にSQLを使いこなすために必要な知識をまとめています。SQLとリレーショナルモデルの関係から述語論理， 正規化 ...

Anyone who is deeply enmeshed in a technology feels compelled to defend that technology when any sort of “threat” (or perception of threat) appears on the horizon, and apparently Gavin is no different ...

Everyone knows what a simple database is: Telephone directories, mail-order catalogs and dictionaries are all databases of sorts. Databases can be structured or organized in several different ways: as ...