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database 6441 - 1. The number of entities that can map to...

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1.The number of entities that can map to one another under arelationship is called the2.A.descriptor of therelationship.cardinality of therelationship.order of therelationship.degree of therelationshipBCD
1 pointsQUESTION 21.A subschema is the same asBCD
1 pointsQUESTION 31.In a library, the relationship between the borrower entity setand the books entity set normally has cardinality ofBCD
1 pointsQUESTION 41.Of the following types of keys, the one that does not appear inthe Entity-Relational model is aB
.keyC.foreignkeyD.superkey1 pointsQUESTION 51.In a database system, a question such as "Find the names ofall students who take class ENG210" is called a2.A.query.statement.form.reportBCD
1 pointsQUESTION 61.Databases that use tables, but are also able to store complexdata such as multimedia areBCD
1 pointsQUESTION 71.In a relational table, an attribute such as Address that containssmaller elements is said to beBCD
.d1 pointsQUESTION 81.Making adjustments to physical database structures in orderto improve performance is called systemBCD
1 pointsQUESTION 91.All of the following are examples of data standards EXCEPT2.A.data namingconventions.query optimization.update procedures.documentationrulesBCD
1 points

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Term
Fall
Professor
N/A
Tags
Data Management, Relational model

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