When one transaction reads a changed record that has not been committed to the database a filthy read occurs.
A. True
B. False
Answer: Option B
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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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