What is a Decision Tree Algorithm?
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Explain dimensional modelling?
How Materialized Views are linked with Oracle DataWare house?
Explain a mapping, session, worklet, workflow, mapplet?
What is the difference between power center & power mart?
What are fact, dimension, and measure?
What is the function of etl when used in data warehousing?
What is meta data and system catalog?
What are the different types of datawarehosuing?
Explain what is a view as it relates to system 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?
What is ?Data Warehousing??
How to know the time taken for particular report execution?