| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 497 | DEMC056 DE-MC-056 订单金额按订单粒度,商品数量按明细粒度,直接连接后汇总订单金额的主要风险是? | 0 / 0 | 8 | |
| 577 | DEMC136 DE-MC-136 每笔订单有多条商品记录,订单金额只在订单表存一份。要按客户汇总订单金额,正确的连接设计是? | 0 / 0 | 8 |
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