How can we do data cleaning?
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Compare and contrast aggregates & indexes
which automation tool is used in data warehouse testing?
why oracle is the best database for data warehousing?
What is difference between Mapplet and reusable transformation?
Explain what is a three tier data warehouse?
explain about dirty dimension?
4.Explain Snowflkeschema ?
6 Answers EDS, HCL, IBM, iFlex, TCS,
Explain why denormalization is promoted in universe designing?
What is hash partition?
Explain a linked cube?
What is mean by aggregate aware?
Explain hybrid slowly changing dimension?