Question: Explain the following terms as they are used in Database management Systems. a ) Cardinality. [ 1 mark ] b ) Entity. [ 1 mark

Explain the following terms as they are used in Database management Systems. a) Cardinality. [1 mark] b) Entity. [1 mark] c) Normalization. [1 mark] d) Constraint. [1 mark] e) Optionality. [1 mark]

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