plssql 数组

declare
   TYPE id_array_type IS TABLE OF VARCHAR2(32) INDEX BY BINARY_INTEGER;
   inventoryIds id_array_type;

begin
    -- 菜品1 id
  inventoryIds(1) := 'a1';
  -- 菜品2 id
  inventoryIds(2) := 'a2';


       for i in 1..inventoryIds.count

       loop 
            dbms_output.put_line('菜品ID='||inventoryIds(i)); 

       end loop;

end;