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Not applicable condition can be represented in relation entry as

"NULL"

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The conceptual model is

dependent on hardware.

dependent on software.

dependent on both hardware and software .

independent of both hardware and software.

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The attribute AGE is calculated from DATE_OF_BIRTH. The attribute AGE is

Single valued

Multi valued

Composite

Derived

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Conceptual design

is a documentation technique.

needs data volume and processing frequencies to determine the size of the database.

involves modelling independent of the DBMS.

is designing the relational model.

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The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called

Simple attribute

Composite attribute

Multivalued attribute

Derived attribute

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In a Hierarchical model records are organized as

Graph

List

Links

Tree

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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