What is degenerate dimension table?
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What are the main steps to build the data warehouse?
Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.
What is a star schema? Why does one design this way?
Explain why are oltp database designs not generally a good idea for a data warehouse?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
What is type 2 version dimension?
What is the difference between a primary and secondary actor in use case modeling?
Code the tables statement to produce a multi-level frequency?
What is an error log table in informatica occurs and how to maintain it in mapping?
Tell me what is degree of a relation?
where exactly in dataware house a confirmed dimension can be created
What is fact less fact table? Where you have used it in your project?