October 2003
Intermediate to advanced
1072 pages
24h 21m
English
Content preview from Guru's Guide to SQL Server Architecture and Internals, TheBecome 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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Knowledge Measure
True or false: If you create a clustered index with a nonunique key, SQL Server automatically “uniquefies” it.
Provided an index exists on col, can the optimizer use it to service the WHERE clause predicate col <> 1?
Explain the difference between selectivity and cardinality.
What is the function of the bookmark lookup operator?
True or false: When an index is created, its fillfactor setting affects the number of rows stored on every page in the index's B-tree except the root page.
What is the maximum number of steps in an index's statistics histogram?
What column in sysindexes stores an index's statistics?
What DBCC command can you use to list the fragmentation for an index?
What stored procedure can you use to affect the types of ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.