A business-driven Airline Flight Operations Analytics project built using PostgreSQL (PL/pgSQL), analyzing route performance, flight frequency, cancellations, and fare behavior through real-world SQL ...

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 ...

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Usually databases are treated primarily as fairly dumb data storage systems, but they can be capable of much more. Case in point the PostgreSQL database and its – Ada-based – PL/pgSQL programming ...