我有这个查询
SELECT ( SELECT COUNT( answer ) FROM Voters WHERE answer = 'Yes' ),
( SELECT COUNT(answer) FROM Voters WHERE answer = 'No' ),
question, date, image
FROM Poll, Voters
WHERE Poll.poll_id = Voters.poll_id
我收到了这个重复的结果,我怎样才能得到一个唯一的行?我想实现这一点:
Yes|No|Question|date|image
2 |1 | ques |date| img