May 2006
Intermediate to advanced
536 pages
15h 13m
English
Content preview from Inside Microsoft® SQL Server™ 2005Become 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 Cursors
In this chapter, I’ll explain the types of problems for which cursors are a reasonable solution, even though such cases are not common. The goal of the chapter is to show you how to use them wisely.
I’ll assume that you have sufficient technical knowledge of the various cursor types and know the syntax for declaring and using them. If you don’t, you can find a lot of information about cursors in Books Online. My focus is to explain why cursors are typically not the right choice and to present the cases in which cursors do make sense.
So why should you avoid using cursors for the most part?
For one, cursors conflict with the main premise of the relational model. Using cursors, you apply procedural logic rather than set-based logic. That ...
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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.