Locks placed by command are implicit locks.%! – McqOptions

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1.	Locks placed by command are implicit locks.%!
A.	True
B.	False
Answer» C.

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In optimistic locking, the assumption is made that conflict will occur.%!
An ACID transaction is one that is atomic, consistent isolated, and durable.%!
An exclusive lock locks the item from change but not from read.%!
Locks placed by command are implicit locks.%!
Locks placed by the DBMS are explicit locks.%!
A durable transaction is one in which all committed changes are permanent.%!
A point of synchronization between the database and the transaction log is generally referred to as a stop point.%!
Database administration refers to a function that applies to the entire organization.%!
When two transactions are being processed against the database at the same time they are termed concurrent transactions.%!
The size of the lock is referred to as the lock granularity.%!

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