Why is chameleon method used in data warehouse?


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More Data Warehouse General Interview Questions

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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What is a real-time data warehouse?

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How can we schedule the graph in unix?

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Explain what is the data type of the surrogate key?

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Explain is olap databases are called decision support system true/false?

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What are the different types of segments?

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What is factless fact schema?

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How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.

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Explain the structure of cold fusion?

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Explain a relation schema and a relation?

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In datastage can ve find the job based on source table name ??

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What are cluster analysis in data warehousing?

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