The airline reservation system, the enables are date, flight number, place of departure,destination, type of plane & seats available. The primary key is

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Q. The airline reservation system, the enables are date, flight number, place of departure,destination, type of plane & seats available. The primary key is

(A) Flight number

(B) Flight number + place of departure

(D) Flight number + destination

Correct Answer - Option(C)

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