It stores data and retrieving digital information using one or more rigid rapidly rotating disks (platters) coated in magnetic material
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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.
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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.
Answer:third stage of parent-infant attachment
Explanation: