Explain about core dimension, balanced dimension, and dirty dimension?
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What is data stream and data adaopter?
What is a junk dimension? What is the difference between junk dimension and degenerated dimension?
Explain piconet?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
Explain the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs.
what is parallelism?
Explain what is batch and describe about types of batches?
I know of using applysimple, but there are other ways too?
Where the applications and where ware house management system is used?
what are different storage options supported by oracle ?
Where the data cube technology is used?
What is loop in data warehousing?