Data Mining and Warehousing

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Data mining and warehousing mcq questions

Data mining and warehousing mcq 1. What is true about data mining? Data Mining is defined as the procedure of extracting information from huge sets of data Data mining also involves other processes such as Data Cleaning, Data Integration, Data Transformation Data mining is the procedure of mining knowledge from data. All of the above Show …

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Data mining and warehousing mcq unit 2

Data mining and warehousing mcq 1. What is the type of relationship in star schema? many-to-many. one-to-one many-to-one one-to-many Show Answer one-to-many 2. Fact tables are _______. completely demoralized. partially demoralized. completely normalized. partially normalized. Show Answer completely normalized. 3. Data warehouse is volatile, because obsolete data are discarded TRUE FALSE Show Answer FALSE 4. …

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