Database Key terms Flash Cards

Learning ObjectivesREVISION

2.1.5 Databases

Database

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2.1.5 Databases

A persistent store of organised data

Learning ObjectivesREVISION

2.1.5 Databases

DBMS

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2.1.5 Databases

Database management system.

A piece of software that allows you to manage the database. It allows you to

add, edit, delete and query data.

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2.1.5 Databases

Validation

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2.1.5 Databases

A check to make sure that the data entered meets certain rules

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2.1.5 Databases

Verification

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2.1.5 Databases

A check to make sure the data entered is

correct.

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2.1.5 Databases

Flat File Database

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2.1.5 Databases

A database that contains all of the data

in one table

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2.1.5 Databases

Relational Database

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2.1.5 Databases

A database that contains linked tables

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2.1.5 Databases

Data Redundancy

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2.1.5 Databases

When data is separated into other

tables to avoid duplicated data

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2.1.5 Databases

Entity

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2.1.5 Databases

A real world object that will be modelled in the

database

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2.1.5 Databases

Table

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2.1.5 Databases

The area of a database that stores data about

an entity

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2.1.5 Databases

Field

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2.1.5 Databases

A piece of data in the database

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2.1.5 Databases

Record

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2.1.5 Databases

All of the data about one item

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2.1.5 Databases

Primary Key

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2.1.5 Databases

A unique field for a table

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2.1.5 Databases

Foreign Key

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2.1.5 Databases

A field from one table that links to another

table

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2.1.5 Databases

Query

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2.1.5 Databases

A question asked of the database to extract

certain data

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2.1.5 Databases

Report

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2.1.5 Databases

An organised output from a database

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2.1.5 Databases

Module

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2.1.5 Databases

A unit of software that takes care of a

particular function in a database