Nusrat Gulbarga·Sep 19SQL Window Functions: 15 Real-World Problems Data Analysts SolveMost analysts learn GROUP BY first and then spend a year working around its one limitation: it collapses rows. The moment you need a…
Nusrat Gulbarga·Sep 17CTEs vs Subqueries vs Temporary Tables: Choosing the Right Tool in SQLIf you’ve spent any time writing SQL beyond basic SELECT statements, you've run into the same question again and again: when a query gets…
Nusrat Gulbarga·Sep 15SQL Query Optimization: 12 Techniques That Actually Make Queries FasterSlow queries rarely have one cause. More often it’s a stack of small inefficiencies — a missing index here, an unnecessary function call…
Saikat Sbose·Jul 12Query Optimization in IFS: The Hidden Performance Killer3 PM on a Monday. Support tickets pouring in. Users can’t open the customer form — it just hangs.
Uzzal Kumar Hore·Jun 9PostgreSQL 19 Is Bringing Query Hints — But in a Very PostgreSQL WayThe long wait may finally be over, but PostgreSQL is doing it differently.
Manalimhatle·Mar 20Scaling Our Inventory: How We Slashed Processing Time from Hours to MinutesWe’ve all been there: The database is tuned, the indexes are in place, and on paper, everything should be flying.
Yukesh S·Feb 8From 30 Seconds to 50 Milliseconds: The Day I Finally Understood Database OptimisationA week ago, I shipped what I thought was a solid feature to production. A workflow approval Inbox with all pending approvals and responded…
