Start a transaction and:

Insert a new actor with values $999,$ 'NICOLE', 'STREEP', $\text{'}2021-06-0112$:$00$:$00\text{'}$

Set a SAVEPOINT.

Delete the actor with first name 'CUBA'.

Select all actors.

Roll back to the savepoint.

Select all actors a second time.

The actor with first name 'CUBA' should appear in the second SELECT but not the first.