| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 489 | DEMC048 DE-MC-048 同一事务内扣减库存和生成订单,要求同时成功或同时撤销,主要体现? | 0 / 0 | 2 | |
| 569 | DEMC128 DE-MC-128 扣款和账本写入必须要么同时提交,要么都不生效。哪种数据库机制最直接满足要求? | 0 / 0 | 2 |
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