Question Discussion & Solution

MCQ

Consider a directed line(->) from the relationship set advisor to both entity sets instructor and student. This indicates _________ cardinality

One to many

One to one

Many to many

Many to one

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_____________ express the number of entities to which another entity can be associated via a relationship set.

Mapping Cardinality

Relational Cardinality

Participation Constraints

None of the mentioned

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In E-R diagram generalization is represented by

Ellipse

Dashed ellipse

Rectangle

Triangle

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If you were collecting and storing information about your music collection, an album would be considered a(n) _____

Relation

Entity

Instance

Attribute

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There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identifier, name, and salary attributes. This process is called

Commonality

Specialization

Generalization

Similarity

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A primary key is combined with a foreign key creates

Parent-Child relation ship between the tables that connect them

Many to many relationship between the tables that connect them

Network model between the tables that connect them

None of the mentioned

Discussion

Banking

Engineering

General

Medical

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category More Database Management System Topics

Miscellaneous or General

Relational Algebra

Database Systems

Data Models

The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

Database Design

Transaction and Concurrency

Data Warehouses

Database Administration

Mixed

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