What is real-time datawarehousing?
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What are data validation strategies for data mart validation after loading process?
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
After the complete generation of a report who will test the report and who will analyze it?
What are the different types of fact tables used in data warehousing?
Explain what is type 2 version dimension?
What is surrogate key?
What are the advantages of raid 1, 1/0, and
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
if we increase the number of dimensions will the rows in fact table increase or decrease??
Explain degenerate dimension table?
what are different storage options supported by oracle ?
What are the steps of implementing data warehousing?