SQL Query Optimization Resources

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How To Get Unique Records Without Using Distinct In SQL Server9/26/2024 4:35:41 AM. In this guide, you'll learn how to retrieve unique records in SQL Server without using the DISTINCT keyword. We'll explore alternative methods like GROUP BY, ROW_NUMBER(), and Common Table Exp
Optimization Of Queries In SQL Server - HEAP TABLES3/8/2023 2:02:52 PM. This article will help you to understand how to start to think on optimization of sql queries and why use indexes in tables
SQL Query Optimization FAQ Part 1 (With video explanation)5/20/2012 4:20:41 AM. In this article we will first try to understand what is a SQL plan, how is it created and then we will move towards understanding how to read the SQL plan. As we read the SQL plan we will try to understand different operators like table scan, index seek scan, clustered scan, RID lookup etc. We will also look in to the best practices associated with clustered and non-clustered indexes and how they function internally. We will practically see how indexed views increase performance and in what scenarios we should use the same.

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