Question: NOTE: THIS IS A SQL DATABASE QUESTION Assume there is locking involved (two-phase locking I believe) . Provide a detailed diagram of the following sequence:

NOTE: THIS IS A SQL DATABASE QUESTION

Assume there is locking involved (two-phase locking I believe) . Provide a detailed diagram of the following sequence:

Bill is going to update record X as after lunch at 1pm. However, Harry is also updating record X, but he begins his update at 12:58pm and will take 5 minutes to complete. What will occur to Bill at 1pm? At 1:06pm?

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