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MCQ

Which relationship is used to represent a specialization entity?

ISA

AIS

ONIS

WHOIS

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Data integrity constraints are used to:

Control who is allowed access to the data

Ensure that duplicate records are not entered into the table

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The Rectangles divided into two parts represents

Entity set

Relationship set

Attributes of a relationship set

Primary key

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The total participation by entities is represented in E-R diagram as

Dashed line

Double line

Double rectangle

Circle

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A relational database consists of a collection of

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R diagrams by labeling the lines that connect ___________ to __________

Diamond , diamond

Rectangle, diamond

Rectangle, rectangle

Diamond, rectangle

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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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