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Database Backup and Recovery Objective Type Questions Answers | Database Management System MCQs

Questions
6 Which commands are used to control which users have which privilege over which objects ?
A QUE and QUIST
B GRANT and REVOKE
C CASECADE and MVD
D None of the above

Answer: Option [B]
7 When a deadlock is detected the recovery is normally accomplished by :
A rollback of transaction
B locking of data
C consistency checking
D none of these

Answer: Option [A]
8 Which is not a desirable property of a transaction ?
A Isolation
B Atomicity
C Durability
D All are desirable

Answer: Option [D]
9 A directed graph which represents the deadlock is called :
A cycle graph
B deadlock graph
C wait-for graph
D none of the above

Answer: Option [C]
10 Transaction Throughput is :
A Elapsed Time between submitting a transaction and receiving a transaction.
B Average no. of transaction processed per second.
C No. of resources used by a transaction.
D None of the above

Answer: Option [B]

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