| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 525 | DEMC084 DE-MC-084 数据更正需要保留原始值,合理组织是? | 0 / 0 | 5 | |
| 605 | DEMC164 DE-MC-164 原始日志需要长期留存以支持审计,同时清洗后的手机号用于分析。如何组织数据? | 0 / 0 | 5 |
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