Oracle11g 无效标识符-oracle 当我运行下面的查询时,我收到以下消息:
SQL错误:ORA-00904:B.成员计数:无效标识符 90400000-%s:无效标识符Oracle11g 无效标识符-oracle 当我运行下面的查询时,我收到以下消息:,oracle11g,Oracle11g,SQL错误:ORA-00904:B.成员计数:无效标识符 90400000-%s:无效标识符 select pt.paym_type_name, pt.dvd_allowed, b.members_count from payment_type pt where paym_type_id in (select paym_type_id from (SELECT paym_type_id,
select pt.paym_type_name, pt.dvd_allowed, b.members_count
from payment_type pt
where paym_type_id in (select paym_type_id
from (SELECT paym_type_id,
count(paym_type_id) as members_count
FROM user_payment
WHERE (paym_type_id=1 OR
paym_type_id=2 OR
paym_type_id=3) AND
SYSDATE <= (ADD_MONTHS(paym_date, 12) )
GROUP BY paym_type_id
ORDER BY MEMBERS_COUNT DESC) b
where rownum=1)
;
我不明白为什么。我怎样才能修好它?我确实需要在末尾添加列成员数
select pt.paym_type_name, pt.dvd_allowed, b_outer.members_count
from payment_type pt,
(select paym_type_id,members_count
from (SELECT paym_type_id,
count(paym_type_id) as members_count
FROM user_payment
WHERE (paym_type_id=1 OR
paym_type_id=2 OR
paym_type_id=3) AND
SYSDATE <= (ADD_MONTHS(paym_date, 12) )
GROUP BY paym_type_id
ORDER BY MEMBERS_COUNT DESC) b_inner
where rownum=1) b_outer
where paym_type_id =b_outer.paym_type_id