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Which of the following is another name for a weak entity?

Child

Owner

Dominant

All of the mentioned

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In an E-R diagram an entity set is represent by a

rectangle

ellipse

diamond box.

circle

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level entity set.

Disjointness

Uniqueness

Special

Relational

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Which of the following can be addressed by enforcing a referential integrity constraint?

All phone numbers must include the area code

Certain fields are required (such as the email address, or phone number) before the record is accepted

Information on the customer must be known before anything can be sold to that customer

Then entering an order quantity, the user must input a number and not some text (i.e., 12 rather than

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Functional dependencies are a generalization of

Key dependencies

Relation dependencies

Database dependencies

None of the mentioned

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An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A.This is called as

One-to-many

One-to-one

Many-to-many

Many-to-one

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Banking

Engineering

General

Medical

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Database Systems

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The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

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Transaction and Concurrency

Data Warehouses

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Mixed

Banking

Engineering

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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