What is cost benefit analysis (cba)?
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What are the design methods of data warehousing?
Explain the difference between data ware house & data mart?
Explain what are the various reporting tools in the market?
Can you brief about the Data warehouse project you worked on?
three ways sql*loader could load data, what are those three types?
Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?
Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?
What is core dimension?
What is the main difference between star and snowflake star schema? Which one is better and why?
What is called data cleaning?
difference between For each and for all
what is parallel query?