Aggregatortransformation er en aktiv transformation, der bruges til at udføre aggregerede beregninger som sum, gennemsnit osv. For eksempel, hvis du ønsker at beregne summen af lønninger for alle medarbejdere afdelingsmæssigt, kan vi bruge Aggregator Transformation. De samlede ...
dense ranking in rank transformation in informatica shubhangi77 Nov 18, 2010 Data Management Tools general discussion Replies 0 Views 127 Nov 18, 2010 shubhangi77 Locked Question Update strategy transformation - doesnot work parallelly!!! Shahulk Aug 2, 2010 Data Management Tools general discu...
- Informatica What is the function of aggregator transformation? - Aggregator transformation is used to perform the aggregate calculations i.e. average and sums. - Aggregator transformation is not like expression transformation and it is used to perform the calculations on the groups. - It doesn’t...
What are the conditions needed to improve the performance of Informatica Aggregator Transformation? - The records can be stored before the value is being passed to the aggregator and by using the sorted input option. - The aggregator properties are checked to see that the inputs are provided and...
GROUP BY,,... HAVING COUNT(*)=1 Similarly in Informatica Aggregator transformation, select group by for all the columns and add one output port,OUT_CNT_RCRDS=count(*) In the next transformation, use a Router transformation and put a condition, G1...
The aggregator stores data in the aggregate cache until it completes aggregate calculations.When u run a session that uses an aggregator transformation,the informatica server creates index and data caches in memory to process the transformation.If the informatica server requires more space,it stores ...