What are the performance considerations when working with aggregator transformation?
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If the source has duplicate records as id and name columns, values: 1 a, 1 b, 1 c, 2 a, 2 b,the target shd be loaded as 1 a+b+c or 1 a||b||c, what transformations shd be used for this?
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In aggregator if u enable sorted input what will be the output and disable sorted wt is output
Teradata 
