Question Discussion & Solution

MCQ

The refinement from an initial entity set into successive levels of entity subgroupings represents a ________ design process in which distinctions are made explicit.

Hierarchy

Bottom-up

Top-down

Radical

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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

Discussion

MCQ

An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.

One-to-many

One-to-one

Many-to-many

Many-to-one

Discussion

MCQ

______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.

Entity Integrity Constraints

Referential Integrity Constraints

Domain Integrity Constraints

Domain Constraints

Discussion

MCQ

What is a relationship called when it is maintained between two entities?

Unary

Binary

Ternary

Quaternary

Discussion

MCQ

Which of the following gives a logical structure of the database graphically?

Entity-relationship diagram

Entity diagram

Database diagram

Architectural representation

Discussion

Banking

Engineering

General

Medical

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Mixed

Banking

Engineering

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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