Advanced PostgreSQL: JSONB, partial indexes and partitioning

A trades table with 50 million rows. The query "which active trades for this user this month" takes 4 seconds. After applying the four techniques in this article: 12 ms . This isn't magic — it's a solid understanding of what PostgreSQL actually does under the hood. I already covered slow query diagnosis with EXPLAIN ANALYZE basics . Here we go further: the four levers that make a real difference on high-volume production tables. JSONB: storing flexible schemas without sacrificing performance Eve