Primary Keys

Index Seeks, Scans, and Lookups

This script may help identify tables impacted by frequently-occurring scans.

Indexes in SQL Server 2005

Database Indexing Development Lifecycle...Say What?

Creating good indexes on your database doesn't happen by mistake--you need to have a plan. Greg Larsen shows you how, beginning with a discussion on the indexing development lifecycle.

Data searches that leverage existing indexes

Recent installments of our SQL Server 2005 Express Edition series have been discussing its implementation of Full Text Indexing. This article focuses on data searches, which leverage existing indexes, taking into account such features as noise words and thesaurus files.

Top 10 steps to optimize data access in SQL Server. Part I (Use Indexing)

’ll focus on the issues that you need to follow to make sure that you have done everything that you could do to optimize the data access codes you have written or you are going to write in future. The Database Administrators (DBA) also has great roles to play in optimizing and tuning the database performance. But, optimization scopes that fall into a DBA’s area are out of scope for these articles.

Clustered Index Internals

Introduction to Indexes: Part 3 – The nonclustered index

Part 3 of a great series on the basics of indexes. Learn the structure, definition, and how to examine the use of these indexes in your queries.

Introduction to Indexes: Part 2 – The clustered index

In the second part of her series on indexing, MVP Gail Shaw examines clustered indexes. Learn what this index is, how it differs from a heap, and how it can help your queries.

Introduction to Indexes

Indexes are critical to good performance. However many people don't understand how indexes well. MVP Gail Shaw provides us with an introductory article on the basics of indexing.