题解 | #插入记录（三）#
插入记录（三）
https://www.nowcoder.com/practice/978bcee6530a430fb0be716423d84082
delete from examination_info where exam_id=9003; insert into examination_info(exam_id,tag,difficulty,duration,release_time) values (9003,'SQL','hard',90,'2021_01_01 00:00:00'); select * from examination_info;
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