Can decision tree be implemented using SQL?
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What is called data cleaning?
Name at least three brands of Database Management Systems
What is the very basic difference between data warehouse and operational databases?
What is factless fact schema?
What are steps we have to follow in designing the userfriendly universe?
Explain what is batch and describe about types of batches?
What is data analytics in simple terms?
What is called dimensional modelling?
Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
What are partition points?
Explain the different types of data warehousing?
What is informatica architecture?