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What difficulty level is this coding question?

This is a hard difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Databricks.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Databricks during technical interviews.

Optimize a SQL query plan tree | Databricks Coding Question

Quick Overview

This question evaluates understanding of relational algebra, query optimization techniques, and tree-based plan transformations such as predicate pushdown and projection pruning.

hard
Databricks
Coding & Algorithms
Software Engineer

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