New posts in Query Performance

Eliminate Key Lookup (Clustered) operator that slows down performance

Forcing Flow Distinct

How to make DISTINCT ON faster in PostgreSQL?

Speed up an aggregate query on an 11 million row table

DEFAULT CONSTRAINT, worth it?

How can I convert the first 100 million positive integers to strings?

Index scan of table with one record with 2.2 billion executions

Optimize Subquery with Windowing Function

Very slow simple JOIN query

Outer Join suppressing Index usage?