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How are query patterns used in stream analytics?
The query design can express simple pass-through logic to move event data from one input stream into an output data store, or it can do rich pattern matching and temporal analysis to calculate aggregates over various time windows as in the Build an IoT solution by using Stream Analytics guide.
Which is better complex filter or simple condition?
A complex filter condition is better in performance perspective, but the best performance will show old fashion for loop with a standard if clause is the best option. The difference on a small array 10 elements difference might ~ 2 times, for a large array the difference is not that big.
What does the into Clause do in stream analytics?
The INTO clause tells Stream Analytics which of the outputs to write the data to. The first SELECT defines a pass-through query that receives data from the input and sends it to the output named ArchiveOutput.
How does first select work in Azure Stream Analytics?
The first SELECT defines a pass-through query that receives data from the input and sends it to the output named ArchiveOutput. The second query does some simple aggregation and filtering before sending the results to a downstream alerting system output called AlertOutput.
What does it mean to bulkify Apex code?
Bulkifying Apex code means making sure that the code properly handles more than one record at a time. When a batch of records initiate Apex, a single instance of that Apex code is executed, but that instance needs to handle all of the records in that given batch.
How to write bulkified code in Salesforce.com?
In Salesforce, we always try to write a code which is Bulkified. This is termed as the ideal way to write code. Bulkified Code or Bulkification means combining the respective tasks in the APEX. It is the only way to get around Governor Limits. Eg: Sample Program for Bulkification: Using StartTest() or StopTest().
Is there a governor limit for bulkification in Salesforce?
If you do row-by-row processing in Salesforce, you’ll probably reach the governor limit quickly. This is especially true with triggers and things that fire when you don’t expect them. One documented method of escaping the governor limit is bulkification.