我有两个表:
mysql> select * from quizquestionbank;
| ID | QuestionFilePath | CorrectAnswer | EndDate |
--------------------------------------------------------------
| 1 | p.wav | 1 |2014-05-12 12:00:00 |
| 2 | q.wav | 2 |2014-05-12 12:00:00 |
| 3 | a.wav | 3 |2014-05-12 12:00:00 |
| 4 | b.wav | 1 |2014-05-12 12:00:00 |
| 5 | m.wav | 3 |2014-05-12 12:00:00 |
第二张表是:
mysql> select * from quizuserdetails;
| ID | MSISDN | QuestionIdDetails | AnswerRecord |
--------------------------------------------------
| 1 | 235346 | 1,3,4,5 | S,F,S,F |
| 2 | 564574 | 4,5,67,88 | F,S,F,s |
| 3 | 500574 | 5,55,66,44,2 | F,F,F,F |
我想从表 1 中获取 ID:
1. 第二张表的 QuestionIdDetails 列中没有
2. 小于当前日期和时间。
以下查询为我提供了第一点所需的记录:
Select qb.ID,qb.EndDate
from quizquestionbank qb
left join quizuserdetails qd
on find_in_set(qb.id, QuestionIdDetails) > 0
and msisdn = '235346'
where qd.id is null
但是对于第二个要求,下面的查询给出了错误:
Select *
from predictionfootball
where '2014-05-10 00:00:00' <
(Select qb.ID,qb.EndDate
from quizquestionbank qb
left join quizuserdetails qd
on find_in_set(qb.id, QuestionIdDetails) > 0
and msisdn = '235346'
where qd.id is null)
请告诉我怎么做。
最佳答案
试试看:
Select qb.ID,qb.EndDate
from quizquestionbank qb
left join quizuserdetails qd
on find_in_set(qb.id, QuestionIdDetails) > 0
and msisdn = '235346'
where qd.id is null
AND qb.EndDate < '2014-05-10 00:00:00' ------> added this line
关于mysql - 查询以获取一个表的值,这些值不在另一个表的字符串列中,也小于特定的日期时间值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23856943/