DBMS-Transaction Processing and Concurrency Control Questions and Answers
Transaction Processing and Concurrency Control are crucial aspects of DBMS ensuring data integrity in multi-user systems. This topic includes database programming questions and answers covering ACID properties, concurrency problems, and locking mechanisms. Perfect for TCS, Infosys, and Oracle placements, these questions provide practical insight into how databases manage simultaneous transactions safely. Master these DBMS Transaction Processing questions with answers to excel in database management interviews and academic tests.
DBMS-Transaction Processing and Concurrency Control
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66 questions
1. The transaction cosnsists of all the operations executed between the beginning and end of the transaction.
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2. A transaction is a program unit, which can either be embedded withing an applicant program or can be specified interctively via a high-level query language such as SQL.
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3. A transaction that is either committed or aborted is said to be terminated.
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4. A transaction that is either committed or aborted is said to be terminated.
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5. Atomic transaction is transactions in which either all actions associated with the transaction are executed to completion, or none are performed.
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6. The effects of a successfully completed transaction are permanently recorded in the database and must not be lost because of a subsequent failure.
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8. Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
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9. Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
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10. Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
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- FALSE