Tell me what is degree of a relation?
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Write a short note on data warehousing & three-Tier Warehouse architecture in detail.
What is an IDQ file? What is the purpose of the IDQ file and what kindof information does it usualy hold? Can it be imported by informatica?
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.
Tell me one example for multi valued dimension or bridge table?
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What are fundamental stages of data warehousing?
Which one among Star and snowflake schemas will occupy more space?
What is called dimensional modelling?
In document how to create metrics?
what are the types of dimension tables
Explain what is the extension of file to save template?
Explain what is full load & incremental or refresh load?
Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?