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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Defining Messages and Choosing a Message Type

For the AdventureWorks2008 database to communicate with the XCatMgmt database via Service Broker, a dialog between two services must take place. Within this conversation, each service sends messages to or receives messages from queues, providing the indirection needed for the underlying systems to stay loosely coupled.

The dialog messages are typed to constrain and (optionally) validate their content. You use the new SQL Server database object MESSAGE to represent a typed message. Defining the messages to be transmitted is the first step in building a Service Broker application.

You create SQL Server messages by using the following syntax:

You can alter message types by using the intuitive ALTER ...

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Publisher Resources

ISBN: 9780768696585Purchase book