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Explain what is fact less fact table? Where you have used it in your project?
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Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
Explain dimensional modelling?
Can we have more than one time dimensions in a Schema(Star or Snowflake)
How are the dimension tables designed?
what are the similarities between ROLAP and MOLAP
Explain what is the main difference between inmon and kimball philosophies of data warehousing?
What are diagrams?
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How to eliminate duplicate rows from flat file?
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Which is the optimized method of extracting the data.
In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?
Explain me what is vldb?
Teradata 
