关系数据库中,表与表之间通常标注( )的一端是主键。
A.“0”
B.“&”
C.“1”
D.“∞”
正确答案是C
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Choose the closest paraphrased version after each of the following sentence or italicized part.
One difficult but essential thing to remember is to refuse to let other people "s bad manners goad you into retaliating in kind.()