handle duplicate values #interview #interviewtips #sql #python #azure #clouds #cloud #sqlserver

“Handling duplicate values is a very common problem in SQL and Data Engineering.
Duplicates can lead to wrong reports and incorrect business insights.
In this video, you’ll learn:
✔ How to identify duplicates using GROUP BY & HAVING
✔ How to use ROW_NUMBER to detect duplicate rows
✔ How to remove duplicates using CTE
✔ When to use DISTINCT
ROW_NUMBER is the most widely used approach in real-time projects to handle duplicates.
Perfect for SQL interviews and data cleaning scenarios 🚀”

Видео handle duplicate values #interview #interviewtips #sql #python #azure #clouds #cloud #sqlserver канала Azure data engineer Preparation