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MCQ

Functional dependencies are a generalization of

Key dependencies

Relation dependencies

Database dependencies

None of the mentioned

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Consider the employee work-team example, and assume that certain employees participate in more than one work team. A given employee may therefore appear in more than one of the team entity sets that are lower level entity sets of employee. Thus, the generalization is _____________

Overlapping

Disjointness

Uniqueness

Relational

Discussion

MCQ

Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __________ and course is a _________

Relations, Attribute

Attributes, Relation

Tuple, Relation

Tuple, Attributes

Discussion

MCQ

The entity set person is classified as student and employee. This process is called _________

Generalization

Specialization

Inheritance

Constraint generalization

Discussion

MCQ

A relational database consists of a collection of

Tables

Fields

Records

Keys

Discussion

MCQ

If an entity set is a lower-level entity set in more than one ISA relationship, then the entity set has

Hierarchy

Multilevel inheritance

Single inheritance

Multiple inheritance

Discussion

Banking

Engineering

General

Medical

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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

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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Community Discussion

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More Database Management System Topics