Explain me what are data marts?
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What is data merging, data cleansing and sampling?
What is batch processing?
What are the advantages and disadvantages of reporting directly against the database?
What is a data profile?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
Can we have multiple application.cfm file in an application?
What are aggregate tables and aggregate fact tables?
Explain about core dimension,
What is a ETL/ How does Oracle support the ETL process?
Explain what is data validation strategies for data mart validation after loading process?
Explain what are the different types of join operations?
What are the steps of implementing data warehousing?