题解 | #插入记录（三）#
插入记录（三）
http://www.nowcoder.com/practice/978bcee6530a430fb0be716423d84082
# 这个表有主键，可以用replace into
# replace into examination_info (id, exam_id,tag, difficulty, duration, release_time)
# values (NULL, 9003, 'SQL', 'hard', 90, '2021-01-01 00:00:00 ')
delete from examination_info
where exam_id = '9003';
insert into examination_info (id, exam_id,tag, difficulty, duration, release_time)
values (NULL, 9003, 'SQL', 'hard', 90, '2021-01-01 00:00:00 ');
