December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 Unleashed
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Types of Indexes
SQL Server has two main types of indexes: clustered and nonclustered. They both help the query engine get at data faster, but they have different effects on the storage of the underlying data. The following sections describe these two main types of indexes and provide some insight into when to use each type.