November 2013
Intermediate to advanced
982 pages
34h 23m
English
book
Microsoft SQL Server 2012 Internals
by Bob Beauchemin Kalen Delaney Conor Cunningham, Jonathan Kehayias, Benjamin Nevarez, and Paul S. Randal
Content preview from Microsoft SQL Server 2012 InternalsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using columnstore indexes and batch processing
Columnstore indexes, a new feature in SQL Server 2012, were introduced in Chapter 7 and touched on again in Chapter 8. This section shows you the query processing aspect of the technology. As explained at the beginning of this chapter, the standard query processing mode in all versions of SQL Server uses a row-at-a-time model; operators process only one row at a time. Columnstore indexes are complemented with a new vector-based query execution capability with operators that can process batches of rows at a time. In addition to the I/O performance improvements, the new query processing capabilities also provide some benefits because columnstore indexes are compressed and typical data warehouse queries ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.