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Why should we use data ware housing and how can you extract data for analysis with example?
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Give me a broad concept of what a data warehouse is, and what it might be used for?
What is the use of incremental aggregation? Explain me in brief with an example?
How to reduce warnings?
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 meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?
What is application.cfm?
What are the different types of schemas used in data warehousing?
how can one connect two fact tables ? is it possible ? how?
What is the metadata extension?
Explain meta data?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
Explain the difference between oltp and olap?
What is aggregate fact table?
Teradata 
