February 2013
Beginner
432 pages
10h 19m
English
Content preview from Microsoft® SQL Server® 2012 Step by StepBecome 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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Chapter 11. Advanced data retrieval topics
After completing this chapter, you will be able to
Write PIVOT and UNPIVOT queries.
Write a paging query.
Write a common table expression.
Use a variable.
Chapter 10, provided a solid introduction to data retrieval using the SELECT query. In this chapter, you will build on that introductory knowledge and examine a few advanced topics that will enhance how you return the data and what data is returned. As you interact with Microsoft SQL Server data more and more, you may encounter situations in which the basic concepts are not enough. This chapter will supply you with additional skills to help you solve more advanced problems.
Pivoting and unpivoting data
The concept of pivoting data in SQL Server refers to restructuring ...
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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.