Datamart is subset of Datawarehouse we can say a
datamart is collection of individual departmental
information...
Where as datawarehouse in collection of datamart.
Data mart is a single subject and datawarehouse is a integration of multiple subjects
Explain What is fact less fact table? where you have used it in your project?
Explain me what kind of costs are involved in Data Marting?
Tell us out of star schema and snowflake schema, whose dimension table is normalized?
Tell us what is Virtual Warehouse?
Tell us what does the Query Manager responsible for?
Can you list the Schema that a data warehouse system can implements?
Tell us what is the main difference between Inmon and Kimball philosophies of data warehousing?
Tell us what is Hybrid SCD?
Explain me why is chameleon method used in data warehousing?
Tell us what do OLAP and OLTP stand for?
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