vu cs614 Final Term - Quiz No.6
vu cs614 Data Warehousing Quiz
This quiz belongs to book/course code vu cs614 Data Warehousing of vu organization. We have 13 quizzes available related to the book/course Data Warehousing. This quiz has a total of 10 multiple choice questions (MCQs) to prepare and belongs to topic Final Term. NVAEducation wants its users to help them learn in an easy way. For that purpose, you are free to prepare online MCQs and quizzes.
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Question 1: Data Warehouse is about taking/collecting data from different __________ sources.
Harmonized
Identical
Homogeneous
Heterogeneous
Question 4: The fact table is a way of visualizing as an __________ cube
Rolled Up
Un-rolled
Rolled Down
None of these
Question 5: Data mining uses __________ algorithms to discover patterns and regularities in data.
Mathematical
Computational
Statistical
None of the given
Question 6: Multi-dimensional databases (MDDs) typically use __________ formats to store pre-summarized cube structures.
SQL
proprietary file
Object oriented
Non- proprietary file
Question 7: In nested-loop join case, if there are 'M' rows in outer table and 'N' rows in inner table, time complexity is __________.
O (M log N)
O (log MN)
O (MN)
O (M + N)
Question 9: NUMA stands for __________
Non-uniform Memory Access
Non-updateable Memory Architecture
New Universal Memory Architecture
Question 10: For a DWH project, the key requirement are __________ and product experience.
Tools
Industry
Software
None of these
