An open source database is just a regular database that’s distributed with its source code. Users can read, revise, and extend the software freely, although few use these opportunities. The most ...

SQL Server has a long list of roles for server, database, and applications that outline things like permissions, data selection and modification, and disk management. Examine how roles play a part in ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

Database performance impacts application tiers and user experience, as well as cloud costs. Yet, understanding database issues is challenging. Whether it's MySQL, PostgreSQL, or cloud databases like ...

SQL, the Structured Query Language, remains one of the most widely used programming languages, coming in fourth in Stack Overflow’s research for 2023. Just over half (51.52%) of professional ...

The information below serves as a brief primer to help you better understand the database terms you’ll most often encounter. Relational Databases. Relational databases became the database of choice ...