Learning ObjectivesREVISION

2.1.5 Databases

Database

Learning ObjectivesREVISION

2.1.5 Databases

A persistent store of organised data

Learning ObjectivesREVISION

2.1.5 Databases

DBMS

Learning ObjectivesREVISION

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.

Learning ObjectivesREVISION

2.1.5 Databases

Validation

Learning ObjectivesREVISION

2.1.5 Databases

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

Learning ObjectivesREVISION

2.1.5 Databases

Verification

Learning ObjectivesREVISION

2.1.5 Databases

A check to make sure the data entered is

correct.

Learning ObjectivesREVISION

2.1.5 Databases

Flat File Database

Learning ObjectivesREVISION

2.1.5 Databases

A database that contains all of the data

in one table

Learning ObjectivesREVISION

2.1.5 Databases

Relational Database

Learning ObjectivesREVISION

2.1.5 Databases

A database that contains linked tables

Learning ObjectivesREVISION

2.1.5 Databases

Data Redundancy

Learning ObjectivesREVISION

2.1.5 Databases

When data is separated into other

tables to avoid duplicated data

Learning ObjectivesREVISION

2.1.5 Databases

Entity

Learning ObjectivesREVISION

2.1.5 Databases

A real world object that will be modelled in the

database

Learning ObjectivesREVISION

2.1.5 Databases

Table

Learning ObjectivesREVISION

2.1.5 Databases

The area of a database that stores data about

an entity

Learning ObjectivesREVISION

2.1.5 Databases

Field

Learning ObjectivesREVISION

2.1.5 Databases

A piece of data in the database

Learning ObjectivesREVISION

2.1.5 Databases

Record

Learning ObjectivesREVISION

2.1.5 Databases

All of the data about one item

Learning ObjectivesREVISION

2.1.5 Databases

Primary Key

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2.1.5 Databases

A unique field for a table

Learning ObjectivesREVISION

2.1.5 Databases

Foreign Key

Learning ObjectivesREVISION

2.1.5 Databases

A field from one table that links to another

table

Learning ObjectivesREVISION

2.1.5 Databases

Query

Learning ObjectivesREVISION

2.1.5 Databases

A question asked of the database to extract

certain data

Learning ObjectivesREVISION

2.1.5 Databases

Report

Learning ObjectivesREVISION

2.1.5 Databases

An organised output from a database

Learning ObjectivesREVISION

2.1.5 Databases

Module

Learning ObjectivesREVISION

2.1.5 Databases

A unit of software that takes care of a

particular function in a database