Monday, June 30, 2008

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Aggregator Transformation

Aggregator transformation is an Active and Connected transformation.

This transformation is useful to perform calculations such as averages and sums (mainly to perform calculations on multiple rows or groups).

For example, to calculate total of daily sales or to calculate average of monthly or yearly sales. Aggregate functions such as AVG, FIRST, COUNT, PERCENTILE, MAX, SUM etc. can be used in aggregate transformation.


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