Docker で PostgreSQL を立ち上げ、SQL の基礎から PL/pgSQL の実践までを段階的に学ぶ練習環境です。 プロジェクト管理システム（部署・従業員・プロジェクト・タスク・ジョブ）を題材に、実際のテーブルとサンプルデータを使って手を動かしながら学習します。

The coffee shop lacks analytical capabilities to compare performance across branches, understand customer behavior patterns, and optimize product offerings. Current manual reporting provides basic ...

Psybergate is an IT company that builds bespoke software solutions and provides highly skilled resources to its clients. We are looking for a Senior Database Developer to join our client on a remote ...