what is the difference between cardinality and Nullability?
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can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge
what is architecture of your datastage project??? i came across this question many times in interviews in specific what can i answer plz help me.
what is the meant by Normalization and de-normalization?
What are the types of Data Warehouse applications?
how do u automate Extraction process?
what happens if the info.server doesn't find the session parameter in the parameter file?
how would u estimate the size of Lookup transform data and index cache?
what are Lookup caches options? Including persistent caches.
What is meant by incremental load?
what is the difference between date cache and lindex cache?
What is a mapping?
Can anyone explain me a scenario from banking and finance...more precisely a mapping