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What is surrogate key? Where we use it?


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More Data Warehouse General Interview Questions

Explain how are the dimension tables designed?

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in general which algorithms for used?

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In a star schema, are foreign key constraints between facts and dimensions neccessary?

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Suggest a good author for hyperion in data warehousing?

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How can we do ETL process in SQL Server?

1 Answers   ETL,


What is perform recovery?

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What are the different models used in cluster analysis?

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What are the approaches used by optimizer during execution plan?

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How to improve session performance in aggregator transformation?

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Why do we use DSS database for OLAP tools?

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Difference between e-r modeling and dimentional modeling?

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Explain what is the difference between a primary and secondary actor in use case modeling?

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