题解 | 更新记录(二)
更新记录(二)
https://www.nowcoder.com/practice/0c2e81c6b62e4a0f848fa7693291defc
UPDATE exam_record SET submit_time="2099-01-01 00:00:00",score=0 WHERE start_time<"2021-09-01" AND submit_time IS NULL;
更新记录(二)
https://www.nowcoder.com/practice/0c2e81c6b62e4a0f848fa7693291defc
UPDATE exam_record SET submit_time="2099-01-01 00:00:00",score=0 WHERE start_time<"2021-09-01" AND submit_time IS NULL;
相关推荐