SQL-control-statement:

1 assignment-statement
1 CALL-statement
1 CASE-statement
1 compound-statement
1 FOR-statement
1 GET DIAGNOSTICS-statement
1 GOTO-statement
1 IF-statement
1 ITERATE-statement
1 LEAVE-statement
1 LOOP-statement
1 REPEAT-statement
1 RESIGNAL-statement
1 RETURN-statement
1 SIGNAL-statement
1 WHILE-statement