Explain what are the basic needs to join two sources in a source qualifier?


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What is the difference between data warehouse and operational systems?

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What are Data Marts?

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What are the other names given to data warehousing?

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What are the different types of segments?

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How can you implement many relations in star schema model?

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What is the difference between ods and oltp?

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what is the difference between MOLAP and ROLAP?

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Explain what is the difference between datawarehouse and bi?

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Whether dimension table can have numeric value?

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Explain can report net connect multiple datasource at a time in report creation time?

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