Normalisation Flashcards
1
Q
What is Normalisation?
A
Normalisation is the formal process involved in the design of an efficient database; this is a multi-staged process where tables are created to cause a reduction in data dependency and data redundancy.
2
Q
What is first normal form?
A
First normal form is where tables contain no repeating attributes or groups of attributes.
3
Q
What is second normal form?
A
Second normal form is where tables contain no partial key dependencies.
4
Q
What is third normal form?
A
Third normal form is where tables contain no non-key dependencies.