『Azureの基礎（AZ900）』をみんなで学ぶ」の第8回では、Azureの代表的なストレージサービスについて解説したうえで、「Azure SQL Database」を実際に ...

When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I ...

With respect to physical storage, each database is stored in a single file. That is, all database objects that comprise an individual database (views, triggers, indexes, tables, schema and so on) ...

When you use index views in the right situations, they can dramatically improve the performance of SQL Server queries. Tim Chapman explains why performance testing is the best way to tell if ...

The administrative aspect of Copilot here is more like the ChatGPT experience than the T-SQL query builder. You can ask questions like "Why is my database slow?" [Click on image for larger view.] ...

Here is a list of common wait types and techniques that every DBA (or wannabe DBA) should know. While there are many more wait types than listed here, understanding these will give you a leg up when ...