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.
Answer:
C. Blinking vertical line on your screen
Explanation:
A cursor is tha blinking vertical line on your screen.
Answer:
Red, Green, and Blue.
Explanation:
These colors make up white light
The invention of blue LEDs meant that blue, red, and green could all be combined to produce white LED light, which can function as an alternative energy-saving light source.
