Answer:
b. Thin provisioning
Explanation:
Thin provisioning is a storage space feature that makes allocating disk storage space flexible based on the space needed by each user, it improves the way storage space is utilized.
Answer:
The correct answer is B)
Explanation:
The commit command allows us to:
• Consolidate, confirm
• committing refers to the idea of confirming a set of provisional changes permanently.
• A popular use is at the end of a database transaction.
•
The LOCK TABLE command should be used:
• when a lock of the mode specified in the table can be acquired.
• The command will wait for everything you need to get the lock,
• In case you cannot acquire the lock immediately, the NOWAIT option is specified so that the command cancels the transaction.