Explain the importance of data warehouse?
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What is hybrid slowly changing dimension?
What is many-to-many dimensional model in datawarehousing ?
Explain meta data?
Explain what is ods (operation data source)?
Explain what is full load & incremental or refresh load?
What are various warehousing tools?
What is an error log table in informatica occurs and how to maintain it in mapping?
How many types of facts and what are they?
What is an OLTP (Online Transaction Processing) System?
Can a dimension table contain numeric values?
Explain how many ways you create ports?
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