TOP 20 SQL Queries Asked in Technical Interviews | SQL Interview Questions & Answers | Revision
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TOP 20 SQL Queries Asked in Technical Interviews | SQL Interview Questions & Answers | Revision
214 просмотров · 2 недели назад
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214 просмотров · 2 недели назад
Preparing for a technical interview? In this video, we cover the Top 20 Most Important SQL Queries that every fresher and aspiring software/data professional should know.
From basic SQL concepts to advanced interview patterns, we cover queries involving:
🔹 2nd & Nth Highest Salary
🔹 Employees Earning More Than Average Salary
🔹 Duplicate Records
🔹 GROUP BY & HAVING
🔹 Highest Salary in Each Department
🔹 JOIN & SELF JOIN
🔹 Employees Without Managers
🔹 Same Salary Employees
🔹 Customers Who Never Placed an Order
🔹 RANK & DENSE_RANK
🔹 Window Functions
🔹 Running Total
🔹 Aggregate Functions & Subqueries
Each query is explained in a simple and interview-friendly way, so you can understand the logic instead of simply memorizing the code.
🎯 Perfect for:
• Freshers preparing for placements
• Software Engineer interviews
• Data Analyst interviews
• Data Engineer interviews
• SQL Developer interviews
• Anyone revising SQL before an interview
If you're preparing for placements, save this video, practice all 20 queries, and come back for revision!
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💬 Comment your favorite SQL query
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