PT-06 Why postgresql ignores your indexes even when they exist

Why is PostgreSQL ignoring your indexes even when they exist? In this PostgreSQL DBA tutorial, we explore the most common reasons why PostgreSQL chooses a Sequential Scan (Seq Scan) instead of an Index Scan and how to troubleshoot query performance issues. In this video, you will learn: ✅ Why PostgreSQL ignores indexes ✅ Understanding Seq Scan vs Index Scan ✅ How PostgreSQL Query Planner works ✅ Impact of table statistics and ANALYZE ✅ Selectivity and Cost-Based Optimization ✅ When Sequential Scan is actually faster ✅ Common indexing mistakes DBAs make ✅ How to force PostgreSQL to use indexes for testing ✅ Query performance tuning best practices This tutorial is ideal for PostgreSQL DBAs, Database Administrators, Developers, Performance Engineers, and anyone preparing for PostgreSQL interviews. #PostgreSQL #Postgres #DatabasePerformance #QueryOptimization #IndexScan #SeqScan #PerformanceTuning #PostgreSQLDBA #PostgresPerformance #SQLPerformance #DatabaseAdministration #ExplainPlan #ExecutionPlan #postgresqltutorial