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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
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Coders Crush by Napplied AI - Built for engineers preparing for FAANG/MAANG interviews

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Submitted By

Coders Crush Team

12/11/2025

Tags
Query PlanningCost EstimationJoin Ordering