What is critical column?
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How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
What is the difference between metadata and data dictionary?
Suggest a good author for hyperion in data warehousing?
what type of raid setup would you put your tx logs?
What needs to be done when the database is shutdown?
What are the difference between snow flake and star schema?
What is your spectra photometer working principles?
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.
Explain degenerate dimension table?
What are the types of SCD?
explain about balanced dimension,
What are the advantages and disadvantages of reporting directly against the database?