Monthly Archives: August 2017

Aug 10

How Indexing Affects Deletion Queries

By Jeffry Schwartz | Performance Tuning , SQL Development , SQL Server

The Problem Many articles concerning SQL Server discuss how record insertion overhead increases with each additional index. They discuss b-tree manipulations and page splits in addition to leaf and non-leaf levels. However, few discuss the fact that deletion overhead increases as well, especially when large numbers of records are deleted by individual queries. Recently, I […]

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