January 2020
Beginner
896 pages
23h 51m
English
Content preview from Microsoft SQL Server 2019: A Beginner's Guide, Seventh Edition, 7th Edition
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CHAPTER |
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10 |
Indices |
In This Chapter
• Guidelines for Creating and Using Indices
This chapter describes indices and their role in optimizing the response time of queries. The first part of the chapter discusses how indices are stored and describes the existing forms of them. The main part of the chapter explains three Transact-SQL statements pertaining to indices: CREATE INDEX, ALTER INDEX, and DROP INDEX. After that, index fragmentation and its impact on the performance of the system will be explained. The next part of the chapter gives you several general recommendations for how and when indices should be created. The final part of the chapter describes ...
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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.
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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.