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Answer Posted / maruthi
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how would u estimate the size of Lookup transform data and index cache?
Explain what is etl process? How many steps etl contains explain with example?
where we cannot use sorter Transformation. if we use then we will not get correct data?
What are the different Lookup methods used in Informatica?
what is the difference steps for data modeling?
What are the types of Data Warehouse applications?
Is apache nifi an etl tool?
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.
where are the log files generally stored.Can you change the path of the file.what can the path be?
what are the concerns of OLTP and DSS systems?
what is a worklet?
can cubes contain measures ?
What are the key benefits of ETL Testing?
what is the difference between cardinality and Nullability?
Explain about hash partitioning?
