Head to head comparisons of databases, tools and editions. Side-by-side tables, real strengths, and a clear when-to-choose-each verdict.
A commercial Microsoft platform against the leading open source database.
Two enterprise heavyweights compared on cost, features and ecosystem.
The two most popular open source databases, head to head.
Open source MySQL against Microsoft commercial platform.
Open source PostgreSQL as an alternative to costly Oracle.
The MySQL fork against the original, and how they diverged.
Read the individual tool reviews, or sharpen your SQL with the exercises and interview questions.