What is IQD file?
Answer / shekar
IQD means Impromptu queru defeniton it is a data source to
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Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
what is the difference between etl tool and olap tools
Explain why dimenstion tables are denormalized in nature?
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Explain what is metadata reporter?
Explain what is the extension of file to save template?
Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?
What are the steps of implementing data warehousing?
Explain clustering algorithm?
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