What is the difference between a data warehouse and a data mart?

Answer Posted / seetha

data mart is a subset of datawarehouse

data warehouse is a collection of hetrogeneous data

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is partitioning? What are the types of partitioning?

577


What is is a star schema?

567


What is a functional dependency f said to be minimal?

548


Explain what does level of granularity of a fact table signify?

531


What is drilling across?

557






Explain swot analysis?

629


Explain conformed fact?

525


What are the different models used in cluster analysis?

516


can anybody mail me the FAQS for hyperion essbase amd planning

5193


What are the approaches used by optimizer during execution plan?

484


What are loops in Datawarehousing?

559


What is defined as partial backup?

625


Explain how are the dimension tables designed?

560


What is the difference between junk dimension and degenerated dimension?

564


Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?

586