mysqlsybase
select distinct a.computername,a.mac , group_concat(distinct a.username) as usernames,group_concat(distinct a.userid) as userids from (select distinct nons.* , users.username,client.computername from noncontrol_softwares nons left join users on nons.userid=users.userid left join client on nons.mac=client.mac) as a group by a.mac
怎么将这段MySQL语句转换成sybase的?
每个人都需要一台速度更快、更稳定的 PC。随着时间的推移,垃圾文件、旧注册表数据和不必要的后台进程会占用资源并降低性能。幸运的是,许多工具可以让 Windows 保持平稳运行。
Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号