What is the difference between agglomerative and divisive hierarchical clustering?


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Tell me what is full load & incremental or refresh load?

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What is an OLAP (On-line Analytical processing) system?

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What is the difference between connected and unconnected stored procedures?

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What are fact, dimension, and measure?

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what is the difference between aggregate table and fact table ? how do you load these two tables ?

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Explain what is cost benefit analysis (cba)?

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What is Cognos script editor?

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Explain what are the steps to build the data warehouse?

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Which kind of index is preferred in DWH?

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Is there any default username & pwd for bo designer & supervisor?

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What do you mean by static and local variable?

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What is an error log table in informatica occurs and how to maintain it in mapping?

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