Mastering database indexing is a crucial step in optimizing query performance for PostgreSQL. Indexes enable efficient data retrieval, especially as data volumes grow. This article explores the fundamentals of database indexing, including how indexes work, various types available in PostgreSQL, and common pitfalls to avoid.

Source: https://dev.to/isaactony/mastering-database-indexing-how-to-optimize-query-performance-in-postgresql-3pk3