Tag: #execution-plan
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 1 posts
The Complete Guide to SQL Execution Plans: How the Optimizer Chooses a Plan
This piece explains the execution plan from the point of view of the PostgreSQL 18 planner: how statistics are collected, how selectivity is calculated, which constants assemble the cost numbers, when join-order search h
2026-08-15 · 24 min read #database#postgresql#execution-plan#query-optimization#optimizer