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A document related to incomplete tasks or assignments related to database terms.

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2022/2023 Written for academic year
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OCR
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A document related to incomplete tasks or assignments related to database terms.

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Unit 1.3.2 - DATABASES
 Teach ICT https://teach-ict.com/2016/A_Level_Computing/OCR_H446/OCR_H446_home.html

 OCR videos “craigndave” watch these 2 videos https://www.youtube.com/watch?
v=PZVIV8wC4gM&list=PLCiOXwirraUAs5THJQKx6OCVIxPUY5XbU&index=1
https://www.youtube.com/watch?v=thM9e8Cd2QI&list=PLCiOXwirraUAs5THJQKx6OCVIxPUY5XbU&index=5

 P 82-105 of white Heathcote PG textbook

Using the above resources complete the table of definitions below

Relational database


Flat file database

Primary key

Foreign key

Secondary key

Index

Entity / table

Field /Attribute

Record/Tuple

Field types Integer=

Real Number (float)=

String=

Boolean=
Data redundancy

Data integrity

Referential integrity
Video

ACID Video A=
C=
(Transaction I=
processing) D=
Record locking


C.R.U.D.



Methods of Capturing data methods :

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