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Answer Posted / ajay kumar
datacleaning means duplicate data removing,meging means
combing data from sql,oracle and other ets and dumped into
dataware house
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Explain the main differences between star and snowflake schema?
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What are the fundamental elements of the data warehouse?
What are partition points?
How to export mappings to the production environment?
Explain swot analysis?
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Explain what is the difference between a primary and secondary actor in use case modeling?
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What is the difference between snowflake and star schema?
