Explain reference cursor?


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What are components of report studio?

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what are the other factors of the database on which the loading performance depend?

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How do you define data block size?

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How to allow a dynamic selection of a column for a measure in a chart,without using variable?

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What is source qualifier?

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Explain why fact table is in normal form?

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What are aggregate transformation?

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How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.

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Explain what is the difference between power center & power mart?

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Explain what are the possible data marts in retail sales?

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What are the different types of schemas used in data warehousing?

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