StreamInsight

Technical Article

Additional Columns in StreamInsight Event Flow Debugger

  • Article

This tool is excellent when investigating what is going on in your StreamInsight Streams. I was looking through the menu items recently and went to Query => Event Fields I found that there were a couple of columns not added by default to the event viewer (Reminds me of the fact that the Variables viewer in SSIS hides columns also) Latency NewEndTime EnqueueTime Here they all are together. This gives us even more information about what is going on

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2010-08-19

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Technical Article

Performing a Left Anti Semi Join in StreamInsight

  • Article

Performing a LEFT OUTER JOIN in TSQL is easy. The same logic in StreamInsight requires a little more work. In this presentation I show exactly how you can perform a LEFT OUTER JOIN on your event streams. Your browser cannot play this video. Learn how to fix this.

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2010-08-17

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Technical Article

Introducing Microsoft’s Platform for Complex Event Processing

  • Article

While typical relational database applications are query-driven, event-driven applications have become increasingly important. Event-driven applications are characterized by high event data rates, continuous queries, and millisecond latency requirements that make it impractical to persist the data in a relational database for processing. These requirements are shared by vertical markets such as manufacturing, oil and gas, utilities, financial services, health care, web analytics, and IT and data center monitoring. Event-driven applications use complex event processing (CEP) technology with the goal of identifying meaningful patterns, relationships and data abstractions from among seemingly unrelated events and trigger immediate response actions.

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2009-10-28

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Question of the Day

BIT_COUNT() V

What does this return on SQL Server 2025? 

select bit_count(null)

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