Explain have you ever been in a real dilemma at work? What did you do to get out of it?
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Explain what are fact, dimension, and measure?
Can you state some of the innovations throughout history?
how do you use commit frequencies? how does it affect loading performance?
Fact table is in normalized or de-normalized form?
What is real-time datawarehousing?
What is a star schema? Why does one design this way?
What are Aggregate tables?
Explain what is ods (operation data source)?
Explain about core dimension, balanced dimension, and dirty dimension?
what is difference between drill & scope of analysis?
Tell me one example for junk dimension?
Explain the difference between keylokup and joiner?