Update nested table item
Update all rows in the whole nested table:

update /*+ NESTED_TABLE_GET_REFS */ person_salaryTypes
set salary = salary * 1.1;
commit;


Update all rows in the nested table for 1 person:

update table(select p.salarytype from person p where p.id = 1)
set salary = salary * 1.1;
commit;


Update 1 row in the nested table for 1 person:

update table(select p.salarytype from person p where p.id = 1)
set salary = salary * 1.1
where startdate = ...;
commit;