What is data cleaning? How can we do that?
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wht is degenerated dimension ?it's uses?
Explain what are conformed dimensions?
What are the key columns in Fact and dimension tables?
What is hybrid slowly changing dimension?
I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE
Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
explain about dirty dimension?
What are non-additive facts in detail?
Which kind of index is preferred in DWH?
What is conformed dimension?
How many project sources we can create in metadata?
What according to you might be the future of data warehousing?