Even after 50 years, Structured Query Language, or SQL, remains the native tongue for those who speak data. It’s had impressive staying power since it was first coined the Structured Query English ...

※本書巻頭巻末に収録した 「標準SQL＆DB設計Quickリファレンス」 については、 下記を参照。 本書についてSQLって何だろう？ どのように学ぶ？ 本書は、 SQL （ エスキューエル ） が 「どのようなものなのか」 「どんなことができるのか」 「なぜ、 このよう ...

With the official release of Microsoft's latest database offering, let's see what was improved and what still needs some work. Today, at Ignite, Microsoft announced the general availability of SQL ...

For developers working with SQL Server, few performance tuning techniques are as essential--or as frequently misunderstood--as indexing. Done right, indexing can drastically improve application ...

Overview: PostgreSQL leads in developer popularity in 2026 and offers advanced features for complex workloads.MySQL remains ...

株式会社インサイトテクノロジー（本社所在地：東京都渋谷区、代表取締役社長 CEO：森田 俊哉、以下：インサイトテクノロジー）は、2024年4月16日にSQLテストツール「Insight SQL Testing」にSQL修正提案機能を搭載したver.4.0をリリースしたことを発表します。

At the Ignite conference today, Microsoft made a series of announcements about Azure databases. It announced a brand-new Azure database called HorizonDB, which is a fully managed PostgreSQL database ...

Microsoft's early embrace of advanced AI in its dev tooling continues apace with the new public preview of SQL database in Microsoft Fabric, the company's analytics/data platform. Fabric is a ...