题解 | #插入记录（二）#
插入记录（二）
https://www.nowcoder.com/practice/9681abf28745468c8adacb3b029a18ce
# insert into exam_record_before_2021 # select * # from exam_record # where year(submit_time) < '2021'; insert into exam_record_before_2021(uid,exam_id, start_time, submit_time,score) select uid,exam_id, start_time, submit_time,score from exam_record where year(submit_time) < '2021';
从表中插入需要明确插入字段和查询表字段
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