Explain grouped cross tab?
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What are the steps of implementing data warehousing?
What are the stages of datawarehousing?
What needs to be done while starting the database?
What is a source qualifier?
Explain what are the mapping paramaters and maping variables?
Explain what are the basic needs to join two sources in a source qualifier?
What are the different types of segments?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
What is loop in data warehousing?
How would you write a left join statement to return a result set of movie.title�s and director.name�s?
what are different ways of loading data to data warehouse using oracle?
What is the use of incremental aggregation? Explain me in brief with an example?