explain about dirty dimension?
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Explain what are the advantages and disadvantages of reporting directly against the database?
Explain a mapping, session, worklet, workflow, mapplet?
What is staging area?
What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
What are the different types of Fatcs? Explain with example only
What are the data types present in bo?
Explain dimension table ?
how much memory space occupied real time project (roughly)?
What is hash partition?
What is surrogate key?
What is "method/1"?