SELECT username, swname, pcname
FROM
log
WHERE
date(dtime) = CURDATE()
AND swname NOT LIKE 'error%'
GROUP BY
username,
swname,
pcname
HAVING
(Count(*) >= 2)结果如何
FROM
log
WHERE
date(dtime) = CURDATE()
AND swname NOT LIKE 'error%'
GROUP BY
username,
swname,
pcname
HAVING
(Count(*) >= 2)结果如何
username,
swname,
pcname
FROM
log
WHERE
date(dtime) = CURDATE()
AND swname NOT LIKE 'error%'
GROUP BY
username,
swname,
pcname
HAVING
(Count(*) >= 2)[Err] 1136 - Column count doesn't match value count at row 1
username,
swname,
pcname
FROM
log
WHERE
date(dtime) = CURDATE()
AND swname NOT LIKE 'error%'
GROUP BY
username,
swname,
pcname
HAVING
(Count(*) >= 2
没有REPLACE INTO
swname,
pcname) SELECT
username,
swname,
pcname
FROM
log
WHERE
date(dtime) = CURDATE()
AND swname NOT LIKE 'error%'
GROUP BY
username,
swname,
pcname
HAVING
(Count(*) >= 2)
参考一下这个贴子的提问方式http://bbs.csdn.net/topics/320211382
1. 你的 create table xxx .. 语句
2. 你的 insert into xxx ... 语句
3. 结果是什么样,(并给以简单的算法描述)
4. 你用的数据库名称和版本(经常有人在MS SQL server版问 MySQL)
这样想帮你的人可以直接搭建和你相同的环境,并在给出方案前进行测试,避免文字描述理解上的误差。