[英]Using outer query value in sub-query - Getting error : “no such column … ”
[英]Effect of Order By in sub-query on outer query sorting
我有一个带有子查询的查询,该查询从其他表中获取数据。 子查询中的order by子句是否也以相同顺序对外部查询的记录进行排序?
查询的形式为:
select p.email email, max(p.firstname) firstname,max(p.lastname) lastname
from abc p, xyz c
where p.companyid=c.companyid
and c.company!=''
and locationid in (
select locationid
from mno tr
where 1=1
AND tr.inc in (7,8,9)
AND tr.topic in( 'Callidus Cloud')
AND tr.inc IS NOT NULL
order by inc desc
)
AND c.crange IN ('100-249','250-499','500-999','1000-4999'
,'5000-9999','50000-100000','>100000')
group by p.email limit 7 offset 0
子查询中发生的情况保留在子查询中。 它仅返回您要求的值。
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