PostgreSQL Query Optimization: A Practical Workflow Guide
Background As a data analyst on critical projects, I optimize PostgreSQL queries to ensure end users receive accurate data because even a single second can make a difference in time-sensitive analyses. In resource-constrained environments, cloud computing costs can also limit access to essential tools, slowing decision-making, reducing team transparency, and even threatening a project’s success. That’s why SQL performance tuning matters. Over the past year, I’ve gained substantial experience in query optimization, yet I was surprised by how scarce practical resources were when I was actively tackling these challenges. Many nuances were obscure, and some even eluded more senior colleagues. ...