PostgreSQL is powerful and widely compatible, supporting the complete SQL standard, including transactions, foreign keys, ...

If you work with data — or want to — Microsoft SQL Server is a skill worth having in your back pocket. The 2025 Total Microsoft SQL Server Bundle gives you five courses and 17 hours of practical, real ...

Even the briefest examination of databases can cause your head to spin if you’re not up to speed on the different kinds of databases and how they operate. The information below serves as a brief ...

Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data. In May 1974, Donald Chamberlin and Raymond Boyce published a paper on ...