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Oracle is sorted by creation time. If the creation time is empty, the record is placed last
2022-07-05 22:08:00 【On the road of struggle】
oracle Processing mode :
stay oracle When the field in is null , Considered as the largest , It can be done by :nulls last Put null value last .
grammar :
select * from Table name order by Sort field desc nulls last
actual combat :
select * from ucas_individual_proj order by created_dt desc nulls last
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