The follow questions refer to the transaction schedule below, that records bookings of tickets for a harbour cruise.   TIME ID TRANSACTION ID OPERATION 1 A Read Tickets left = 10 2 B Read Tickets left = 10 3 B Purchase 8 Tickets 4 A Purchase 6 Tickets 5     6       Using the transaction schedule above, explain the lost update problem  Using the transation schedule above, explain how the two-phase locking protocol would prevent the lost update from occurring  Using the transaction schedule above, explain the concept of Isolation as it relates to transaction management

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