PostgreSQL allows to create a procedure which returns a result set. The gem modifies ActiveRecord (>= 4.2) so that it's possible to create (readonly) model based on resultset instead of a database ...
第3章では、 PostgreSQLの開発に便利な、 バージョン10、 11の新機能を紹介します。 そこでまずは、 RDBMSの開発には欠かせないSQLの話です。本節ではSQLを通してPostgreSQLの特徴をつかみ、 開発効率を上げていきましょう。 そのあとの節では、 Window関数 ...
This repository did include 2 proof of concepts that shows how to create a job_queue database with PostgreSQL (up till commit bc5047da). After that, I continued with a single concept because it proved ...
Abstract: Nowadays, there are many tools which can be used for data migration between databases. The methods of data migration which used by these tools, is well established. However, few of these ...