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Homework 2 - Question 1 1 out of 1 points In Chen notation,...

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Question 11 out of 1 pointsIn Chen notation, entities and relationships have to be oriented horizontally; not vertically.Answers:SelectedAnswer:FalseTrueFalse
Question 21 out of 1 pointsA(n) _____’s main function is to help one understand the complexities of the real-world environment.Answers:
Question 31 out of 1 pointsNoSQL databases:Answers:
Question 41 out of 1 pointsWhich of the following types of HDFS nodes stores all the metadata about a file system?
Answers:
Question 51 out of 1 pointsWithin the database environment, a data model represents data structures with the purpose ofsupporting a specific problem domain.Answers:SelectedAnswer:TrueTrueFalse
Question 61 out of 1 pointsA(n) _____ represents a particular type of object in the real world.Answers:

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Term
Spring
Professor
Fred kumi
Tags
Relational Database, Relational model, fault tolerance

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