The size of a lock is called: – McqOptions

MCQOPTIONS

1.	The size of a lock is called:
A.	implicit lock.
B.	lock granularity.
C.	exclusive lock.
D.	shared lock.
Answer» C. exclusive lock.

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A point of synchronization between the database and the transaction log is generally referred to as a stop point.
In optimistic locking, the assumption is made that conflict will occur.
A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction.
The transaction log contains a copy of every database record (or page) after it has changed. These records are called before images.
Locks placed by the DBMS are explicit locks.
Database administration refers to a function that applies to the entire organization.
The lost update problem is when User A reads data that have been processed by a portion of a transaction from User B.
The size of a lock is referred to as lock sizing.