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1.3.2 Databases
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Total cards: 5•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
What is a flat file
Back (Answer)
A single table database
#2
Front (Question)
0NF
Back (Answer)
Flat file with no normalisation
#3
Front (Question)
1NF
Back (Answer)
All field names must be unique Values in fields should be from the same domain Values in fields should be atomic (happening all at once or not at all) No two records can be identical Each record needs a primary key
#4
Front (Question)
2NF
Back (Answer)
The data is already in 1NF Any partial dependencies have been removed. Fix any M:M relationships that ensue
#5
Front (Question)
3NF
Back (Answer)
The data is already in 2NF Any transitive dependencies have been removed (ensure that non-key are not dependent on each other)