Rails4でサポートされたPostgreSQLのhstoreを使う - QiitaDeleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
Active Record and PostgreSQL — Ruby on Rails Guides
This guide covers PostgreSQL specific usage of Active Record. After reading this guide, you will know: How to use PostgreSQL's datatypes. How to use UUID primary keys. How to include non-key columns in indexes. How to use deferrable foreign keys. How to use unique constraints. How to implement exclusion constraints. How to implement full text search with PostgreSQL. How to back your Active Record
1
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
