A transaction is a series of actions to be taken on the database so that either all of them are performed successfully or none of them are performed at all.
A. True
B. False
Answer: Option A
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Related Questions on Managing Multiuser Databases
Locks placed by command are called ________ .
A. implicit locks
B. explicit locks
C. exclusive locks
D. shared locks
Which of the following locks the item from change but not from read?
A. Implicit lock
B. Explicit lock
C. Exclusive lock
D. Shared lock
A. Nonrepeatable read
B. Phantom read
C. Dirty read
D. Consistent read
A transaction for which all committed changes are permanent is called:
A. atomic.
B. consistent.
C. isolated.
D. durable.
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