Explain can report net connect multiple datasource at a time in report creation time?
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Is it possible to have more than one row on the same table with the same foreign key?
Explain what is the difference between olap and datawarehosue?
Briefly state different between data ware house & data mart?
Explain in detail abt measure objects? And what is the use of it? How to create it?
Explain why should you put your data warehouse on a different system than your oltp system?
Explain dimension table ?
What are session timeout and application timeout? Where we have to do this process?
Tell me the Top 10 features of oracle that supports datawarehousing.
What are aggregate fact tables ? why they are needed? give an example
"A dimension table is wide but the fact table is deep," explain the statement in your own words.
What are various warehousing tools?
if we increase the number of dimensions will the rows in fact table increase or decrease??