Decision Tree

Need query optimization?   → Use EXPLAIN ANALYZE
Need cached aggregations?  → Use Materialized View
Need complex breakdown?    → Use CTEs
Need row ranking?          → Use Window Functions
Need partial coverage?     → Use Partial Index

Reporting & Optimization Guidelines

Reporting queries often scan large datasets. Inefficient queries can degrade the performance of the entire system. Follow these guidelines to ensure speed and stability.

1. Query Optimization