what are Lookup caches options? Including persistent caches.
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Which transformation we use to convert 'NA' to 'Not Available'
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
what is the difference between date cache and lindex cache?
how do u really know that paging to disk is happening while u are using a lookup transform?
how do u identify the changed records in operational data?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.
What is the difference between round-robin partitioning and hash partitioning?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.
Explain do we need an etl tool?
Explain what is etl process? How many steps etl contains explain with example?
Is apache nifi an etl tool?
Teradata 
