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      Question

      What does a "Shared Lock" in a DBMS locking protocol

      allow?  
      A Multiple transactions to read the locked resource simultaneously Correct Answer Incorrect Answer
      B A single transaction to exclusively write to the locked resource Correct Answer Incorrect Answer
      C Multiple transactions to write to the locked resource Correct Answer Incorrect Answer
      D A transaction to read and write to the locked resource simultaneously Correct Answer Incorrect Answer

      Solution

      Multiple transactions to read the locked resource simultaneously

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