1 ALTER
2 PROCEDURE procedure-name
2.1? (
2.1.1? 
2.1.1+ ,
2.1.1 parameter-type
2.1.2 )
2 SPECIFIC PROCEDURE specific-name
3! ALTER
4 option-list

parameter-type

1 data-type
1.1? 
1.1 AS LOCATOR

data-type

1 built-in-type
1 distinct-type-name
1 array-type-name