how many maximum session supports to multiload in teradata ??
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What is initial load and what is full load?
how does the server recongnise the source and target databases.Elaborate on this
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
how do u automate Extraction process?
How many steps etl contains?
how would u estimate the size of Aggregator transform data and index cache?
Eliminating of duplicate records without using dynamic lookups
Is apache nifi an etl tool?
what is the meant by Normalization and de-normalization?
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Explain and compare etl & manual development?
what happens if the info.server doesn't find the session parameter in the parameter file?