Edward Pollack

Ed Pollack has 20+ years of experience in database and systems administration, which has developed his passion for performance optimization, database design, and making things go faster. He has spoken at many SQLSaturdays, 24 Hours of PASS, and PASS Summit. This led him to organize SQLSaturday Albany, which has become an annual event for New York’s Capital Region. In his free time, Ed enjoys video games, traveling, cooking exceptionally spicy foods, and hanging out with his amazing wife and sons.

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07 April 2023
07 April 2023

Ordered Columnstore Indexes in SQL Server 2022

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One of the more challenging technical details of columnstore indexes that regularly gets attention is the need for data to be ordered to allow for segment elimination. In a non-clustered columnstore index, data order is automatically applied based on the order of the underlying rowstore data. In a clustered columnstore index, though, data order is … Read more
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21 November 2022
21 November 2022

Converting Data Across Time Zones: An In-Depth Primer

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If only the entire world used UTC, wouldn’t life be so much easier? We can dream, can’t we? While some software applications can live in an ecosystem where all dates and times can be stored in a single time zone with no conversions needed, many cannot. As applications grow and interact more with international customers, … Read more
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21 May 2020
21 May 2020

Hands-On with Columnstore Indexes: Part 1 Architecture

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Microsoft introduced Columnstore with SQL Server 2012 and have improved the feature in every version since then. You may be wondering why they are different than traditional indexes and how they work. In this series, Edward Pollack explains the architecture of Columnstore indexes. In future articles in the series, he will describe best practices for Columnstore.… Read more
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