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What is the use of Service Broker in SQL Server?
SQL Server Service Broker (SSBS) is a new architecture (introduced with SQL Server 2005 and enhanced further in SQL Server 2008) which allows you to write asynchronous, decoupled, distributed, persistent, reliable, scalable and secure queuing/message based applications within the database itself.
What is the point of a broker?
A broker’s prime responsibility is to bring sellers and buyers together and thus a broker is the third-person facilitator between a buyer and a seller. An example would be a real estate or stock broker who facilitates the sale of a property. Brokers can furnish market research and market data.
When would a person use the services of a broker?
As well as executing client orders, brokers may provide investors with research, investment plans and market intelligence. They may also cross-sell other financial products and services their brokerage firm offers, such as access to a private client offering that provides tailored solutions to high net worth clients.
What does it mean to enable service broker in SQL Server?
The SQL Server Database Engine returns the following error message after a service broker enabled database is restored to the same SQL Server instance with a different database name and the T-SQL command ( ALTER DATABASE ‘DatabaseName’ SET ENABLE_BROKER) is issued to enable the Service Broker for this restored database.
Are there any problems with locking in service broker?
The other problem with locking in Service Broker is that it yields to high LOCK_HASH spinlocks, which will burn down a lot of CPU cycles without doing anything in SQL Server – it’s a very crazy scenario and in the first step very hard to explain. You can also crosscheck this with sys.dm_os_spinlock_stats.
Why is it important to use service broker?
Application developers who use Service Broker can distribute data workloads across several databases without programming complex communication and messaging internals. Service Broker reduces development and test work because Service Broker handles the communication paths in the context of a conversation. It also improves performance.
Why is service broker disabled on adventureworks2012qa database?
As can be noticed from above, Service Broker is disabled on AdventureWorks2012QA database after the restore. When I tried to enable enable Service Broker on AdventureWorks2012QA database using “ALTER DATABASE [AdventureWorks2012QA] SET ENABLE_BROKER” T-SQL statement, I get the below error: