ページの作成

ページの作成

親となるページを選択してください。

ページは必ず何かしらの親ページに紐づきます。
親ページに紐づくページを子ページといいます。
例: 親=スポーツ, 子1=サッカー, 子2=野球

子ページを親ページとして更に子ページを作成することも可能です。
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親ページはいつでも変更することが可能なのでとりあえず作ってみましょう!
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2. データベース

本稿はデータベースに関するの記事です。

子記事からデータベース製品を選択してください。

 

データベースとは?

データベースとはデータの効率的な格納、取得、更新を可能とする仕組みです

仕組みはそれぞれデータベースにより異なり、リレーショナル型階層型ネットワーク型と様々あります。

現在(2018年) ではリレーショナル型が主流です。

 

 

リレーショナル型とは?

リレーショナル型とはデータを表(列と行をもつ)という概念で格納します

表は1つではなく、役割毎に分割し、複数表にデータを格納します。

表は他表と項目(列)で関連付けをすることにより、表毎の役割分担を可能とします。

子ページ
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