题解 | #插入记录（二）#
插入记录（二）
https://www.nowcoder.com/practice/9681abf28745468c8adacb3b029a18ce
insert into 新表名 select 字段名 from 旧表名 where
insert into exam_record_before_2021
select null,uid,exam_id,start_time,submit_time,score from exam_record where year(submit_time) <2021;
base原因吗
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