September 2014
Intermediate to advanced
936 pages
25h 44m
English
book
Professional Microsoft SQL Server 2014 Administration
by Adam Jorgensen, Bradley Ball, Steven Wort, Ross LoForte, Brian Knight
Content preview from Professional Microsoft SQL Server 2014 Administration
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Chapter 6Service Broker in SQL Server 2014
WHAT'S IN THIS CHAPTER?
- Processing data asynchronously
- Configuring SQL Service Broker with T-SQL
- Sending and receiving messages with SQL Service Broker
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
The wrox.com code downloads for this chapter are found at www.wrox.com/go/prosql2014admin on the Download Code tab. The code is in the Chapter 6 download and individually named according to the names throughout the chapter.
This chapter reviews the various objects that make up the SQL Server Service Broker. As you move through the chapter, you look at the various object types and how to create the objects. Toward the end of the chapter, you learn about the T-SQL code to use the objects when sending and receiving messages within the SQL Server database, between databases on the same server, and to databases on different servers.
ASYNCHRONOUS MESSAGING
At the heart of most high-volume systems is a queue that stores requests until resources are available to process them. A queue allows a limited number of worker threads to service requests from thousands of clients. A worker thread takes a request off the queue, processes it, and returns the result. The thread then proceeds to the next request on the queue.
This is significantly more efficient than starting a new thread to process each request as it comes in because it saves the startup and shutdown costs for the thread. Queues also allow more efficient use of resources because when the rate of ...
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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.
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.