How-to
Common Causes of Performance Problems in Code
Slow code is often caused by a small set of recurring patterns. Learn the common performance bottlenecks, how…
March 1, 2026 · Prabhu TLTag: database performance
Backend Development
Common SQL Mistakes That Hurt Performance
Avoid the SQL mistakes that quietly slow down your app: SELECT *, missing indexes, bad joins, overly broad…
February 27, 2026 · Prabhu TLBackend Development
How to Write Better SQL Queries
Learn how to write cleaner, safer, and more efficient SQL with better structure, clearer intent, fewer columns, and…
February 25, 2026 · Prabhu TL