when will use SQL override in a lookup transformation?
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when will use SQL override in a lookup transformation?
how do u decide whether u need to do aggregations at database level or at Informatica level?
What is lookup table in etl testing?
How can we use external procedural logic in informatica?
how does the server recongnise the source and target databases.Elaborate on this
list the transformation used for the following:Heterogeneous sources,Homogeneous sources,Find the 5 highest paid employees with in a dept,create a summery table,generate surrogate keys
tell me few points when u become TL
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
what is the advantage of persistent cache? when it should be used?
State the differences between shortcut and reusable transformation
How many types of transformations supported by sorted input?
what is data modeling?