This kills performance:
SELECT * FROM Orders
🧠Why
-
Forces key lookups
-
Breaks covering indexes
✅ Fix
Select only what you need:
SELECT Id, Total FROM Orders
Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
This kills performance:
SELECT * FROM Orders
Forces key lookups
Breaks covering indexes
Select only what you need:
SELECT Id, Total FROM Orders