What is meant by incremental load?
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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 cardinality and Nullability?
what is meant by drill through?(Mascot)
Can there be sub steps of etl steps?
what is a test load?
when will use SQL override in a lookup transformation?
if u can't find what you are looking for in lookup table, how do you handle?
list and discuss two approaches for updation of target table in Informatica and how they are different.
what is data modeling?
how many steps are there in etl process?
What are the three tiers in etl?
What are the types of Data Warehouse applications?