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Database internals series

Jan, 12 2026Series
Database internals series

This series provides an in-depth exploration of database internals, covering core principles such as storage engines, indexing, query execution, and transaction management.

Each post focuses on the underlying mechanics that power modern databases, equipping you with the knowledge to understand and optimize database systems.

Posts in this series

Jan, 12 2026

Database transactions: isolation levels

This is the first post of a series about database internals. I’ll start with a topic that's familiar to many developers: isolation levels, which look simple on the surface, but the devil lives in the details.

© 2026 Felipe Benevides.