我跑了一个查询:
update activity
set scheduledforuseridy=749
where datecompleted is null
and dateexpired is null
and scheduledforuseridy=374
and communityidy=12
输出是:
(2 row(s) affected)
(170 row(s) affected)
我期望只有一行输出:
(xxx row(s) affected)
为什么有两行输出?