Mastering SQL Server Indexes: Clustered vs Non-Clustered, and Performance Tuning with Real-World Examples

This guide provides developers with a comprehensive understanding of SQL Server indexes, including clustered and non-clustered indexes, index seeks vs scans, covering and filtered indexes, composite index strategies, and query plan analysis. Learn how to optimize query performance, avoid common indexing pitfalls, and maintain indexes for scalable, high-performance applications. Real-world examples and best practices are included to help you make smart indexing decisions that improve both read and write operations in your SQL Server databases.

June 28, 2025 · Last modified: July 3, 2025 · 15 min · 3163 words · Abhinaw