Explain difference between data ware house & data mart?
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Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.
What is the differences between star and snowflake schemas?
What is multi-dimensional analysis?
What is the difference between agglomerative and divisive hierarchical clustering?
Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
Can a dimension table contain numeric values?
How to eliminate duplicate rows from flat file?
Hi, If any hav Informatica n DWH FAQ's,Plz do fwd to s.rajanikanth1980@gmail.com Thnx Vani
What are the different types of segments?
Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?
Explain dimensional modelling?
What is a Data Cube?