what d is raw, unprocessed facts and figures collected, stored and processed by computers
TRANSCRIPT
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