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However, each row must have a unique primary key, which is a sort of name for that particular bundle of data.
不过,每一行的主键(一种用于特定一组数据的名称)必须是唯一的。
youdao
-
However, each row must have a unique primary key, which is a sort of name for that particular bundle of data.
不过,每一行的主键(一种用于特定一组数据的名称)必须是唯一的。
youdao