Index
Автор: Fynity Innovations
Загружено: 2026-02-21
Просмотров: 5
Описание:
📌 Index in SQL | Improve Query Performance | Practical Explanation
In this video, you will learn everything about Indexes in SQL — one of the most important concepts for improving database performance.
We start with the basics of what an index is and how it speeds up data retrieval. Then we explore when to use indexes, when to avoid them, and the difference between Clustered and Non-Clustered Indexes with clear, practical examples.
🔹 What you will learn in this video:
• What is an Index in SQL
• How indexes improve query performance
• When to use indexes
• When NOT to use indexes
• Clustered vs Non-Clustered Index (conceptual)
• Creating and dropping indexes
• Real-time performance demo
• Interview questions and tips
🚀 By the end of this video, you will understand how to optimize SQL queries using indexes in real-world scenarios.
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