Why is persistant Cache in informatica lookup?
Ans: Persistant cache is one of the lookup cache in informatica. persistant cache plays an important role in Lookup caches.
if your lookup file/table is Static and will not change regularly, then we can check the option persistant Cache in lookup Transformation.
Note: make sure the Data in Lookup table/file is always Constant if we check this option.
thsi will help to Increase the Lookup Performance. it plays important role in Performance of llokup tranformation.
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