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Mr. Dubey • 89.33K Points
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Q. Which lock should be obtained to prevent a concurrent transaction from executing a conflicting read, insert or delete operation on the same key value.

(A) higher-level lock
(B) lower-level lock
(C) read only lock
(D) read write
  • Correct Answer - Option(A)
  • Views: 163
  • Filed under category Database Management System (DBMS)
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