How to Optimize SQL Queries for Big Data | Top Interview Question Answered

Are you preparing for data engineering interviews at top companies like Amazon, Google, or Snowflake?
This video breaks down one of the most commonly asked SQL questions:
“How do you optimize a slow SQL query on large datasets?”

✅ In this quick tutorial, you’ll learn:

How to use execution plans effectively

Why you should avoid **SELECT ***

The role of indexes, joins, and partitioning

Real-world tips for platforms like BigQuery & Snowflake

Whether you're a beginner or an experienced professional, mastering SQL optimization is a must for data roles.

📌 Want to crack more real-world interview questions?
Join the Data Engineering and Data Science training at Ethans Tech – with hands-on projects, expert guidance, and 100% placement support.

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Видео How to Optimize SQL Queries for Big Data | Top Interview Question Answered канала Ethans Tech Solutions LLP