how lookup is acting as both active and passive ?
how is it possitble?
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Answer Posted / surendra kumar
Hi,
Lookup is both "Active" as well as "Passive"
Till informatica 8 it was only passive because one of its property "Lookup Policy on Multiple Match" has options of:
i)any values
ii)first values
iii)last values
iv)report error
So for each input record it will produce one output record either any corresponding matching value or Null. But number of Input row is equal to number of output row.
But from Informatica 9 onwards there is one addition in the option of "Lookup Policy on Multiple Match" is:
"Use All Values"
using this property one input row can give multiple output rows i.e number of input rows is not equal to number of output rows.
Thanks & Regards
Surendra Kumar
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