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题目答案是否出错 #1

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Kevin-Kevin opened this issue Feb 25, 2021 · 1 comment

Kevin-Kevin commented Feb 25, 2021 •

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关于第一次作业第二大题的第一小题

给出由 LODON(伦敦)的厂商供给 LODON 的工程的产品号。

ΠSNO,PNO(SPJ)÷ΠSNO(σCITY=LONDON(S))
这里是否漏掉了供给 London 的条件

The text was updated successfully, but these errors were encountered:

SunHaoran614 commented Mar 25, 2024

是啊Kevin哥，这个第一题我也觉得答案有问题

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