Coders Crushby Napplied AI
Back to Arena
ExpertDatabases

Database Query Optimizer

Implement a query optimizer that transforms SQL queries into efficient execution plans using cost-based optimization.

Constraints
Support SELECT, JOIN, GROUP BY, ORDER BY. Use table statistics for cost estimation.
Examples & Scenarios

This is an Arena challenge - solutions are not shown publicly.

Work on this problem and submit your solution to contribute!

Stats
Views
0
Solutions
0
Submitted By

Coders Crush Team

12/11/2025

Tags
Query Planning
Coders Crushby Napplied AI

The ultimate interview preparation platform. Master System Design, DSA, and tackle community challenges to crush your FAANG interviews.

Looking for jobs? Visit Napplied AI Jobs Search Agent

System Design

  • All Problems
  • Easy
  • Hard

DSA

  • All Problems
  • Dynamic Programming
  • Graphs

More

  • Problems Arena
  • Growth Paths
  • My Crush

Coders Crush by Napplied AI - Tech Interview & Coding Should Be Effortless

Cost Estimation
Join Ordering