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

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Presentation on theme: "WHAT D IS RAW, UNPROCESSED FACTS AND FIGURES COLLECTED, STORED AND PROCESSED BY COMPUTERS."— Presentation transcript:

1

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

3 DATA

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

5 INFORMATION

6 WHAT L IS A DATA TYPE THAT IS A REFERENCE TO A FILE LOCATED OUTSIDE THE DATABASE.

7 LINK

8 WHAT E REPRESENTS A PERSON OR OBJECT

9 ENTITY

10 WHAT PK IS THE FIELD THAT UNIQUELY IDENTIFIES ONE RECORD FROM ALL OTHER RECORDS IN A DATABASE

11 PRIMARY KEY

12 WHAT FK IS A FIELD WHICH IS A PRIMARY KEY IN ANOTHER TABLE

13 FOREIGN KEY

14 WHAT B IS A DATA TYPE IN A FIELD WHICH ONLY HAS TWO STATES EITHER YES/NO OR TRUE/FALSE

15 BOOLEAN

16 WHAT RC IS A VALIDATION CHECK THAT CAN BE PERFORMED ON DATA WHERE YOU ARE ASKED TO CHOOSE FROM A LIST

17 RESTRICTED CHOICE

18 WHAT I IS A DATA TYPE WHICH IS A WHOLE NUMBER

19 INTEGER

20 WHAT RC IS A VALIDATION CHECK THAT CAN BE PERFORMED ON DATA USUALLY BETWEEN TWO LIMITS EG 1-100

21 RANGE CHECK

22 WHAT R IS A DATA TYPE WHICH GIVES YOU A FLOATING POINT NUMBER e.g. 13, 3.14.

23 REAL

24 WHAT V IS TO MAKE SURE THE DATE IS CORRECT

25 VERIFIY

26 WHAT H IS A TYPE OF FILING SYSTEM THAT LOOKS SIMILAR TO THE DIAGRAM BELOW

27 HIERARCHICAL

28 WHAT M IS A TYPE OF DATABASE THAT CONTAINS TEXT, SOUND, VIDEO, ANIMATION AND GRAPHICS

29 MULTIMEDIA

30 WHAT H IS AN OFFENCE UNDER THE COMPUTER MISUSE ACT

31 HACKING

32 WHAT DD IS OFTEN USED TO RECORD INFORMATION ABOUT TABLES AND FIELDS. THIS ALLOWS THE DATABASE TO BE IMPLEMENTED USING ANY DATABASE MANAGEMENT SYSTEM

33 DATA DICTIONARY

34 WHAT S ALLOWS YOU TO PUT DATA INTO A PARTICULAR ORDER EITHER ASCENDING OR DESCENDING

35 SORT

36 WHAT S ALLOWS YOU TO FIND CERTAIN RECORDS IN A DATABASE BY SELECTING THE CRITERIA TO LOOK FOR

37 SEARCH

38 WHAT CMA IS A LAW WHICH ALLOWS COMPUTER CRIMINALS LIKE THE CREATORS OF VIRUSES TO BE PROSECUTED

39 COMPUTER MISUSE ACT

40 WHAT C IS A FIELD IN A DATABASE THAT CAN PERFORM CALCULATIONS BASED ON OTHER FIELDS

41 COMPUTED OR CALCULATED FIELD


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