ROLLBACK TO SAVEPOINT v16
ROLLBACK TO SAVEPOINT — Roll back to a savepoint.
Roll back all commands that were executed after the savepoint was set. The savepoint remains valid and you can roll back to it again if you need to.
ROLLBACK TO SAVEPOINT destroys all savepoints that were established after the named savepoint.
The savepoint to which to roll back.
Specifying a savepoint name that wasn't established is an error.
ROLLBACK TO SAVEPOINT isn't supported in SPL programs.
Undo the effects of the commands executed from the point when savepoint
depts was established: