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
11. Log is a record of all transactions and the corresponding changes to the database.
- TRUE
- FALSE
12. Level 2 transaction consistency isolates from the updates of other transactions.
- TRUE
- FALSE
13. Level 2 transaction consistency isolates from the updates of other transactions.
- TRUE
- FALSE
14. Level 1 transaction is the minimum consistency requirement that allows a transaction to be recovered in the event of system failure.
- TRUE
- FALSE
15. A committed transaction that has performed updates transforms the database into a new cosnsistent state.
- TRUE
- FALSE
16. The objective of concurrency control is to schedule or arrange the transactions in such a way was to avoid any interference.
- TRUE
- FALSE
17. The objective of concurrency control is to schedule or arrange the transactions in such a way as to avoid any interference.
- TRUE
- FALSE
18. Incorrect analysis problem is also known as dirty read or unrepeatable read.
- TRUE
- FALSE
19. A consistent database state is one in which all data integrity cosnstraints are satisfied.
- TRUE
- FALSE
20. the serial execution always leaves the database in a consistent state although different results could be produced depending on the order of execution.
- TRUE
- FALSE