ActiveRecordで多階層カテゴリ(Ancestry) - QiitaDeleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
Models for hierarchical data
The document discusses various models for storing and querying hierarchical data using SQL and PHP, highlighting the challenges associated with managing comments in threaded discussions. It details solutions like adjacency lists, path enumeration, nested sets, and closure tables, providing examples of their implementation. Each method has its own strengths and limitations when handling hierarchica
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リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
GitHub - stefankroes/ancestry: Organise ActiveRecord model into a tree structure
