to improve the performance of aggregator we use sorted input option and use sorter t/r befor aggregator. But here we are increasing one more cache in our mapping i.e; sorter. So how can u convince that you are increasing the performance.?
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Answer Posted / koti
To do aggr. caliculations function it needs some time.. we
can reduce that time by providing sorted I/P. The time is
less which can takes to forward the rows from sorter to
aggregator rather than the time to do aggr. calculations
without sorted data.....
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