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DBMS > Databases And Their Context > Flashcards

Databases And Their Context Flashcards

1
Q

Data Processing System

A

An automated system for processing the data for the records of an organization.

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2
Q

Application Program

A

A computer program that performs a specific task of practical value in a business situation.

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3
Q

Random access processing

A

A file access method the provides direct access to a specific record.

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4
Q

Key

A

Data fields that uniquely identify a record in a file

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5
Q

Information System

A

An automated system which organizes data to produce information.

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6
Q

Management Information System

A

A system that provides information to management.

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7
Q

Data

A

Isolated facts.

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8
Q

Information

A

Organized or summarized data.

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9
Q

Database

A

A collection of interrelated data processed by one or more application systems.

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10
Q

Database System

A

A database , a database management system and appropriate hardware and personnel.

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11
Q

Database Management system

A

System software that facilitates the management of a database.

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12
Q

Homonym

A

A term that has different meanings in different contexts.

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13
Q

Synonyms

A

Terms that mean the same thing.

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14
Q

Data Model

A

A conceptual method of structuring data.

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15
Q

Hierarchical Model

A

A data model.

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16
Q

Pointer

A

A physical address which identifies where a record can be found on disk.

17
Q

Child

A

An owned record in a hierarchical relationship.

18
Q

Parent

A

An owner records in a hierarchical relationship.

19
Q

Network

A

A data relationship in which a record can be owned by records from more than one file.

20
Q

Client/server platform

A

A local area network consisting of client computers which receive services from a server computer.

21
Q

Databases server

A

A program running on server hardware to provide database services to client machines.

22
Q

Graphical User Interface (GUI)

A

Screens and functions that provide a graphical means for an end user to access a computer system.

23
Q

Open systems

A

The concepts of connecting a variety of computer hardware and software to work in concert to achieve user goals.

24
Q

Interoperability

A

The state of multiple heterogeneous systems communicating and contributing to the completion of a common task.

25
Q

Metadata

A

Data in the data dictionary which describe the databases.

26
Q

Users

A

People who need information from the database to carry out their primary business responsibility.

26
Q

Data view

A

A definition of a restricted portion of the database also called a view.

27
Q

Practitioners

A

People responsible for the database system and its sociated application software.

28
Q

Procedure

A

Written instructions describing the steps needed to accomplish a given task in a system.

DBMS (6 decks)

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