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For a weak entity set to be meaningful, it must be associated with another entity set, called the

Identifying set

Owner set

Neighbour set

Strong entity set

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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

Discussion

MCQ

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

MCQ

Given the basic ER and relational models, which of the following is INCORRECT?

An attribute of an entity can have more than one value

An attribute of an entity can be composite

In a row of a relational table, an attribute can have more than one value

In a row of a relational table, an attribute can have exactly one value or a NULL value

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MCQ

____________ is preferred method for enforcing data integrity

Constraints

Stored Procedure

Triggers

Cursors

Discussion

MCQ

A window into a portion of a database is

Schema

View

Query

Data dictionary

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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