Question Discussion & Solution

MCQ

Let us consider phone_number ,which can take single or several values . Treating phone_numberas an _________ permits instructors to have several phone numbers (including zero) associated with them.

Entity

Attribute

Relation

Value

Community Discussion

No discussions yet. Be the first to start!

You must be logged in to participate in the discussion.

Similar Questions

MCQ

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

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

Entity-relationship diagram

Entity diagram

Database diagram

Architectural representation

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

Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary) Here the dept_name attribute appears in both the relations. Here using common attributes in relation schema is one way of relating ___________ relations.

Attributes of common

Tuple of common

Tuple of distinct

Attributes of distinct

Discussion

MCQ

In E-R diagram generalization is represented by

Ellipse

Dashed ellipse

Rectangle

Triangle

Discussion

Banking

Engineering

General

Medical

Question Discussion & Solution

Report Error

Community Discussion

Similar Questions

Report Error

Report Error

Report Error

Report Error

Report Error

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

Banking

Engineering

General

Medical

Question Discussion & Solution

report Report Error

forum Community Discussion

auto_awesome Similar Questions

report Report Error

report Report Error

report Report Error

report Report Error

report Report Error

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

Report Error

Community Discussion

Similar Questions

Report Error

Report Error

Report Error

Report Error

Report Error

More Database Management System Topics