我有两个表:client
:(backoffice_users_id,idfile,validation_file)transmission
:(backoffice_users_id,idfile,nbr_files)
我想向客户显示文件数量最少且validation_file = 1的客户端
我做了这样的事情,它给了我最少的数目,但是用validation_file = 0而不是validation_file = 1,有人可以帮我吗?
SELECT `transmission`.*
FROM `transmission`
INNER JOIN `client`
ON client.backoffice_users_id=transmission.backoffice_users_id
WHERE (transmission.idfile='2')
AND (client.validation_file<>0)
AND (transmission.nbr_files=(
SELECT min(nbr_files)
FROM transmission
WHERE transmission.idfile='2'))
GROUP BY `client`.`backoffice_users_id`
LIMIT 1
最佳答案
我不知道您的transmission.idfile='2'
是什么意思,所以只回答“最小文件数,validation_file = 1”部分,并且一次传输中的文件数最少(不对多次传输求和):
SELECT * FROM `transmission`
INNER JOIN `client` ON
`client`.`backoffice_users_id` = `transmission`.`backoffice_users_id` AND
`client`.`validation_file` = 1
ORDER BY `transmission`.`nbr_files` ASC
LIMIT 1
关于mysql - 在SQL查询中显示具有最小数量的客户端,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/19890404/