What is data cleaning? How can we do that?
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Explain is fact table?
what is parallel query?
Explain a linked cube?
What is DTS ?
Explain what are the various transformation available?
5.Explain ODS ?
What is the difference between a primary and secondary actor in use case modeling?
If your client approaches you and says that he wants to create a Datawarehouse, and provides just the info regarding his source systems. What are all the neccessary actions one is supposed to take/understand and get back with a comprehensive document which convinces the client to proceed with the DW initiative. What are all the documents we need to provide the client?
Explain what are the possible data marts in retail sales?
What are the different types of Fatcs? Explain with example only
What is batch processing?
Where do we use semi and non additive facts?