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英语翻译

分类: 作业答案 • 2021-12-28 11:19:08

问题描述：

英语翻译
Look for any fields that meet the three tests for a primary key（主键）.
meet the three tests for
再补充个：base a primary key on multiple columns

答

查找任何满足主键的三项测试的字段
base a primary key on multiple columns
基于多列主键

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英语翻译Endurfæðingu又好像是发文
英语翻译
已知代数式ax²+bx+c,当x=1时,它的值是0,当x=-1时,它的值是-6,当x=3时,它的值是-2,则a,b,c=?