03-mar-2026
Fix slow PostgreSQL views caused by join explosion. Learn how to use EXPLAIN ANALYZE and CTE pre-aggregation to optimize queries, reduce intermediate rows, and improve performance from seconds to milliseconds.
28-mar-2025
Row Level Security (RLS) in PostgreSQL is a robust feature that provides fine-grained access control at the database level. It is particularly useful for multi-tenant applications, ensuring data isolation by restricting access to specific rows based on user roles. This eliminates the need for complex application-side filtering. Let’s explore how to implement and optimize RLS effectively.