Replace “«label_name »” to “label_name:” . Replace after WHILE condition “LOOP” to “DO” . Replace “END LOOP” to “END WHILE” .

Oracle:

[<<label_name >>]
WHILE condition LOOP statement; [statement;]…
END LOOP [label_name];

HiRDB:

[label_name:]
WHILE condition DO statement; [statement;]…
END WHILE [label_name];