Schedules Schedule-a sequences of instructions that specify the chronological order in which instructions of concurrent transactions are executed a schedule for a set of transactions must consist of all instructions of those transactions must preserve the order in which the instructions appear in each individual transaction. A transaction that successfully completes its execution will have a commit instructions as the last statement(will be omitted if it is obvious) A transaction that fails to successfully complete its execution will have an abort instructions as the last statement(will be omitted if it is obvious) Database System Concepts-5th Edition,Sep 10,2005. 15.12 @Silberschatz,Korth and SudarshanDatabase System Concepts - 5 15.12 ©Silberschatz, Korth and Sudarshan th Edition, Sep 10, 2005. Schedules Schedule – a sequences of instructions that specify the chronological order in which instructions of concurrent transactions are executed a schedule for a set of transactions must consist of all instructions of those transactions must preserve the order in which the instructions appear in each individual transaction. A transaction that successfully completes its execution will have a commit instructions as the last statement (will be omitted if it is obvious) A transaction that fails to successfully complete its execution will have an abort instructions as the last statement (will be omitted if it is obvious)