DBMS-Transaction Processing and Concurrency Control Questions and Answers
Practice ModeShowing 10 of 66 questions
Q1
The transaction cosnsists of all the operations executed between the beginning and end of the transaction.
Answer: Option A
Q2
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.
Answer: Option A
Q3
A transaction that is either committed or aborted is said to be terminated.
Answer: Option A
Q4
A transaction that is either committed or aborted is said to be terminated.
Answer: Option A
Q5
Atomic transaction is transactions in which either all actions associated with the transaction are executed to completion, or none are performed.
Answer: Option A
Q6
The effects of a successfully completed transaction are permanently recorded in the database and must not be lost because of a subsequent failure.
Answer: Option A
Q7
Level 0 transactions are recoverable.
Answer: Option B
Q8
Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
Answer: Option A
Q9
Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
Answer: Option A
Q10
Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
Answer: Option A