Can we take backup when the database is opened?


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More Data Warehouse General Interview Questions

Explain what is batch and describe about types of batches?

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How can you import tables from a database?

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What are aggregate transformation?

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What are data modeling and data mining? Where it will be used?

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Compare ?Data mining? and ?Data Warehousing??

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Explain dimensional modelling?

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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 about balanced dimension,

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

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What is a cube in data warehousing concept?

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What is vdl (view definition language) explain?

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What are situations where snowflake schema is better than star schema when the opposite is true?

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