lead and lag in sql server
Trail a DS
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lead and lag in sql server
157 просмотров · 8 дней назад
Trail a DS
723 подписчика
157 просмотров · 8 дней назад
LEAD() and LAG() in SQL Server | Complete Beginner to Advanced Tutorial
In this video, you will learn LEAD() and LAG() functions in SQL Server from scratch with easy explanations and practical examples.
📚 Topics Covered:
✔️ What is LEAD() in SQL?
✔️ What is LAG() in SQL?
✔️ Why do we use LEAD() and LAG()?
✔️ Syntax of LEAD() and LAG()
✔️ Understanding the OVER() clause
✔️ Role of ORDER BY in Window Functions
✔️ Difference between LEAD() and LAG()
✔️ Real-time interview examples
✔️ Employee salary comparison
✔️ Previous row vs Next row values
✔️ Common interview questions
✔️ SQL Server queries with detailed explanation
This tutorial is perfect for:
SQL Beginners
Data Analyst Interview Preparation
Data Science Aspirants
Business Intelligence Professionals
Database Developers
Anyone preparing for SQL interviews
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