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How to Delete Duplicate Records from a Table in SQL | SQL Tutorial | SQL Interview Question

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In this video, I’ll show you how to delete duplicate records from a table in SQL, one of the most commonly asked SQL interview questions.
We’ll cover:
✅ Creating a sample table with duplicate data
✅ Identifying duplicates using the GROUP BY and HAVING clause
✅ Deleting duplicates using a subquery
✅ An alternative method using ROW_NUMBER and CTE
This tutorial is perfect for beginners, professionals, and anyone preparing for SQL-related interviews.
📄 Scripts Used in the Video
-Table creation and sample data insertion
-Queries to identify duplicates
-Techniques to remove duplicates while keeping one record
💡 Why Watch This Video?
-Gain hands-on SQL skills
-Learn to confidently explain this in interviews
-Improve your database management expertise
💬 Have questions or need help?
Drop them in the comments below, and I’ll be happy to assist!
📌 Don’t Forget to Subscribe!
If you enjoyed this tutorial, hit the 👍 button and subscribe for more programming tips, tutorials, and interview preparation videos.
🔔 Turn on notifications to stay updated on new uploads!
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📹 Understand SQL Window Functions with Real-World Examples | SQL Window Function | Top Interview Qs
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📹 Top 15 SQL Server Interview Queries | Popular SQL Queries for SQL Interview | Database Queries
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Hashtags:
#SQLTutorial #DeleteDuplicates #SQLInterviewQuestions #Programming #LearnSQL #DatabaseManagement #CTE #SQLQueries #CodeWithMe #DeleteDuplicateRows #SQL #rownumber #groupby
We’ll cover:
✅ Creating a sample table with duplicate data
✅ Identifying duplicates using the GROUP BY and HAVING clause
✅ Deleting duplicates using a subquery
✅ An alternative method using ROW_NUMBER and CTE
This tutorial is perfect for beginners, professionals, and anyone preparing for SQL-related interviews.
📄 Scripts Used in the Video
-Table creation and sample data insertion
-Queries to identify duplicates
-Techniques to remove duplicates while keeping one record
💡 Why Watch This Video?
-Gain hands-on SQL skills
-Learn to confidently explain this in interviews
-Improve your database management expertise
💬 Have questions or need help?
Drop them in the comments below, and I’ll be happy to assist!
📌 Don’t Forget to Subscribe!
If you enjoyed this tutorial, hit the 👍 button and subscribe for more programming tips, tutorials, and interview preparation videos.
🔔 Turn on notifications to stay updated on new uploads!
🎥 Related Videos:
📹 How to Bulk Insert CSV Data into SQL Server Database Table | Step-by-Step Tutorial
📹 Understand SQL Window Functions with Real-World Examples | SQL Window Function | Top Interview Qs
📹 How to Create and Execute an SSIS Package in Visual Studio 2022 | Step-by-Step Tutorial
📹 Top 15 SQL Server Interview Queries | Popular SQL Queries for SQL Interview | Database Queries
📹 8 SQL Server Query Optimization Tips | SQL Interview Tips
📹 Understanding Java Stream API with Examples
Hashtags:
#SQLTutorial #DeleteDuplicates #SQLInterviewQuestions #Programming #LearnSQL #DatabaseManagement #CTE #SQLQueries #CodeWithMe #DeleteDuplicateRows #SQL #rownumber #groupby