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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
Learning ObjectivesREVISION
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