Programming Concepts Question:

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What is the Hierarchy levels in data warehousing concepts level?

Programming Concepts Interview Question
Programming Concepts Interview Question

Answer:

In-accurate data is often termed as dirty data and has been characterized as missing data, wrong data and compound data with different representations.

Ex. :- customer dimension in which the same person can appear multiple times probably not with exactly the same spellings or other attributes.

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What is balance dimension?Write an O(log2(N)) algorithm to find X^N?