WHAT D IS RAW, UNPROCESSED FACTS AND FIGURES COLLECTED, STORED AND PROCESSED BY COMPUTERS

WHAT D IS RAW, UNPROCESSED FACTS AND FIGURES COLLECTED, STORED AND PROCESSED BY COMPUTERS.

DATA

WHAT I IS PROCESSED DATA WITH STRUCTURE OR MEANING AND IS USEFUL TO HUMANS

INFORMATION

WHAT L IS A DATA TYPE THAT IS A REFERENCE TO A FILE

LOCATED OUTSIDE THE DATABASE.

LINK

WHAT E REPRESENTS A PERSON OR OBJECT

ENTITY

WHAT PK IS THE FIELD THAT UNIQUELY

IDENTIFIES ONE RECORD FROM ALL OTHER

RECORDS IN A DATABASE

PRIMARY KEY

WHAT FK IS A FIELD WHICH IS A PRIMARY KEY IN

ANOTHER TABLE

FOREIGN KEY

WHAT B IS A DATA TYPE IN A FIELD WHICH ONLY HAS

TWO STATES EITHER YES/NO OR TRUE/FALSE

BOOLEAN

WHAT RC IS A VALIDATION CHECK THAT CAN BE

PERFORMED ON DATA WHERE YOU ARE ASKED TO CHOOSE FROM A LIST

RESTRICTED CHOICE

WHAT I IS A DATA TYPE WHICH IS A WHOLE

NUMBER

INTEGER

WHAT RC IS A VALIDATION CHECK THAT CAN BE

PERFORMED ON DATA USUALLY BETWEEN TWO

LIMITS EG 1-100

RANGE CHECK

WHAT R IS A DATA TYPE WHICH GIVES YOU A

FLOATING POINT NUMBER e.g. 13, 3.14.

REAL

WHAT V IS TO MAKE SURE THE DATE IS CORRECT

VERIFIY

WHAT H IS A TYPE OF FILING SYSTEM THAT

LOOKS SIMILAR TO THE DIAGRAM BELOW

HIERARCHICAL

WHAT M IS A TYPE OF DATABASE THAT CONTAINS

TEXT, SOUND, VIDEO, ANIMATION AND GRAPHICS

MULTIMEDIA

WHAT H IS AN OFFENCE UNDER THE COMPUTER

MISUSE ACT

HACKING

WHAT DD IS OFTEN USED TO RECORD INFORMATION ABOUT

TABLES AND FIELDS. THIS ALLOWS THE DATABASE TO BE

IMPLEMENTED USING ANY DATABASE MANAGEMENT

SYSTEM

DATA DICTIONARY

WHAT S ALLOWS YOU TO PUT DATA INTO A

PARTICULAR ORDER EITHER ASCENDING OR

DESCENDING

SORT

WHAT S ALLOWS YOU TO FIND CERTAIN RECORDS IN

A DATABASE BY SELECTING THE CRITERIA

TO LOOK FOR

SEARCH

WHAT CMA IS A LAW WHICH ALLOWS COMPUTER CRIMINALS LIKE THE

CREATORS OF VIRUSES TO BE PROSECUTED

COMPUTER MISUSE ACT

WHAT C IS A FIELD IN A DATABASE THAT CAN

PERFORM CALCULATIONS BASED ON OTHER FIELDS

COMPUTED OR CALCULATED FIELD