我正在尝试将一组ID保存在数组中：
declare
cities_ids array_of_numbers;
begin
select id into cities_ids from objects where id = 1115464;
FOR i IN 1..cities_ids.COUNT LOOP
DBMS_OUTPUT.PUT_LINE(cities_ids(i));
END LOOP;
end;
执行后，出现下一个错误：
ORA-00932: inconsistent datatypes. Expected UDT, got NUMBER.
请解释我做错了什么...
很简单：BULK COLLECT丢失。
declare
cities_ids array_of_numbers;
begin
select id BULK COLLECT into cities_ids from objects where id = 1115464;
FOR i IN 1..cities_ids.COUNT LOOP
DBMS_OUTPUT.PUT_LINE(cities_ids(i));
END LOOP;
end;
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我来说两句