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COMPUTER SICENCE

define the term relation

an entity put down with its detail in form of a table

define the term relationship

how relations are connected to eachother

define the term tuple

a record that is inserted into a table

normalisation

the process of organising data into relations with proper relationship

Give 3 reasons to why normalisation is necessary.

removing data redundency, enforcing data entegrity, preventing anomalies (insertion, deletion, update)

how do you establish a reaction?

putting Primary Key of one table (entity, relation) into another table as a Foreign Key establishes a relation.

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