What is core dimension?
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What are snapshots? What are materialized views & where do we use them?
"A dimension table is wide but the fact table is deep," explain the statement in your own words.
What is the difference between datawarehouse and bi?
How to know the time taken for particular report execution?
Explain where do we use semi and non additive facts?
What is subject area?
Explain what is ods (operation data source)?
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Is there any default username & pwd for bo designer & supervisor?
What is the metadata extension?
How do you create surrogate key using ab initio?
Explain what are the different methods of loading dimension tables?
Teradata 
