Explain piconet?
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What is incremintal loading?
What is vdl (view definition language) explain?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
Why null values are mapped as 0 in fact tables?
What are the advantages and disadvantages of reporting directly against the database?
Which are the olap tools available that are supported by oracle?
What are fact, dimension, and measure?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
How would you write a left join statement to return a result set of movie.title�s and director.name�s?
How to reduce warnings?
ware house management system is used?
What is meant by metadata in context of a data warehouse?