© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
E. PollackAnalytics Optimization with Columnstore Indexes in Microsoft SQL Serverhttps://doi.org/10.1007/978-1-4842-8048-5_14

14. Columnstore Index Maintenance

Edward Pollack1  
(1)
Albany, NY, USA
 

Depending on its usage, a columnstore index may require no maintenance at all, infrequent maintenance, or regular maintenance to ensure optimal storage, resource consumption, and performance.

Understanding how and when to use index maintenance will ensure that analytic queries continue to perform well both when a columnstore index is first created and years into the future.

What Causes Fragmentation?

There are three scenarios that can be used to describe fragmentation ...

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