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Questions and Answers
What is a prerequisite for parallel processing of multiple processes in a computer system?
What is a prerequisite for parallel processing of multiple processes in a computer system?
What is a benefit of having multiple hardware processors in a computer system?
What is a benefit of having multiple hardware processors in a computer system?
What is a requirement for a computer system to execute multiple processes simultaneously?
What is a requirement for a computer system to execute multiple processes simultaneously?
What is an advantage of parallel processing in a computer system?
What is an advantage of parallel processing in a computer system?
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In a computer system, what enables the parallel execution of multiple processes?
In a computer system, what enables the parallel execution of multiple processes?
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What is the purpose of the write_item(X) command?
What is the purpose of the write_item(X) command?
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What happens when the write_item(X) command is executed?
What happens when the write_item(X) command is executed?
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What is the relationship between the buffer and the program variable X?
What is the relationship between the buffer and the program variable X?
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What is the purpose of the READ AND WRITE OPERATIONS module?
What is the purpose of the READ AND WRITE OPERATIONS module?
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What is the significance of the Slide 1-13 in the context of transaction processing?
What is the significance of the Slide 1-13 in the context of transaction processing?
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What is the primary purpose of the recovery manager in a DBMS?
What is the primary purpose of the recovery manager in a DBMS?
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What is the system log used for in a DBMS?
What is the system log used for in a DBMS?
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What type of failures can the recovery manager recover from?
What type of failures can the recovery manager recover from?
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What type of information is stored in the system log?
What type of information is stored in the system log?
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Why is it necessary to maintain a system log in a DBMS?
Why is it necessary to maintain a system log in a DBMS?
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Why may redo of an operation be necessary?
Why may redo of an operation be necessary?
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What is the purpose of redo in a transaction?
What is the purpose of redo in a transaction?
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What happens to updates in a transaction before a failure occurs?
What happens to updates in a transaction before a failure occurs?
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What is the main concern before a failure occurs in a transaction?
What is the main concern before a failure occurs in a transaction?
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What is the risk if a failure occurs before writing to the actual database on disk?
What is the risk if a failure occurs before writing to the actual database on disk?
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What are the desirable properties of transactions in a computer system?
What are the desirable properties of transactions in a computer system?
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What type of failure can occur in a transaction?
What type of failure can occur in a transaction?
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What is the primary goal of transaction management systems?
What is the primary goal of transaction management systems?
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What happens when a transaction is rolled back due to a failure?
What happens when a transaction is rolled back due to a failure?
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What is the main benefit of using atomicity in transactions?
What is the main benefit of using atomicity in transactions?
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