Useful PostgreSQL Index Maintenance Queries to Improve PerformanceThis blog was first authored in 2020. We’ve updated it in 2025 for clarity and relevance, reflecting current practices while honoring their original perspective. PostgreSQL offers a rich set of indexing features, and while there’s no shortage of articles explaining how indexes work, one challenge often goes overlooked: maintenance. Over time, unused or duplicate indexes can pile up, slowing down i
