题解 | #Where in 和Not in#
插入记录（三）
http://www.nowcoder.com/practice/978bcee6530a430fb0be716423d84082
delete from examination_info
where exam_id=9003;
insert into examination_info
value(null,9003,'SQL','hard',90,'2021-01-01 00:00:00');
delete from examination_info where exam_id = 9003; insert into examination_info values(null,9003,'SQL','hard',90,'2021-01-01 00:00:00')