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what is mapping performence?
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Answer / vino
Mapping performance is nothing but u tune the mapping to
achieve better performnace .
Like to use filter after sq,using sorter before
aggregator,deleting unwanted fields in the lookup etc.....
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Answer / nafeeja
Mapping Performance is to tune the mapping for better performance. To achieve this first we need to find out the performance bottle necks at three levels and optmise those.
1) Identifying Source Bottlenecks
2) Target bottleneck.
3) Identifying Mapping Bottlenecks
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Teradata 
