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What are top down, bottom up etc approaches in data warehouse?

Please somebody explain it!!


K.V. Karthik

K.V. Karthik

CA Inter

34K+

13-May-20 13:06

16

Answers (3)

Bottom up approach- we will create small data warehouses and them merge them all to create large data warehouse. Top down approach- we will create a large data warehouse and then later create small date warehouses from that large data warehouse as per the requirement


Lavanya Chitturi

Lavanya Chitturi

Moderator

16-May-20 13:51

Yes. These are the two approaches.


Lavanya Chitturi

Lavanya Chitturi

Moderator

16-May-20 14:08