ORACLE 运行 提交提示 ORA-00911:无效字符
selectstaff_id,avg(parent_staff_id)fromstaffgroupbystaff_idhavingavg(parent_staff_id)...
select staff_id, avg(parent_staff_id)
from staff
group by staff_id
having avg(parent_staff_id) < (select max(avg(user_name))
from staff
group by staff_id);
找了半天没看出哪里有问题啊 大虾们 帮看看 在线等 谢谢 展开
from staff
group by staff_id
having avg(parent_staff_id) < (select max(avg(user_name))
from staff
group by staff_id);
找了半天没看出哪里有问题啊 大虾们 帮看看 在线等 谢谢 展开
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