Monday, 4 May 2015

Q7, paper 2,June 12. In multiuser database if two users wish to update the same record at the same time, they are prevented from doing so by



Options (A) Jamming        (B)Password    (C)Documentation          (D)Record lock
Answer (D)  Record lock.
Explanation : Record locking is the technique of preventing simultaneous access to data in the database to prevent inconsistent results.
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