What is the difference between er modeling and dimensional modeling?
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Give me a broad concept of what a data warehouse is, and what it might be used for?
Explain what are the basic needs to join two sources in a source qualifier?
What are data modeling and data mining? Where it will be used?
What is recovering sessions?
Is there any difference in testing database and data ware housing?
Explain what is the difference between a primary and secondary actor in use case modeling?
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
Where can one get more info about Data Warehousing?
What is Star Schema?
Explain dimensional modelling?
What is a Data Cube?
What are data modeling and data mining?
Teradata 
