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Examine these statements and output:Now, examine this command:Mysql> ROLLBACK;What is true about the effect of...

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Examine these statements and output:

Now, examine this command:

Mysql> ROLLBACK;

What is true about the effect of the command?

A.

It undoes the update command.

B.

It returns an error because there is no active transaction.

C.

It undoes the insert command.

D.

It undoes both insert and update commands.

E.

It has no effect.

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