英语词汇“candidate key”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	candidate key
释义	candidate key candidate key (database)One of several possible attributes or combinationsof attributes which can be used to uniquely identify a body ofinformation (a "record"). The chosen candidate key iscalled the primary key. candidate key One or more columns (fields) in a relational database that can uniquely identify a row in the table. If there are two or more candidate keys, only one is selected as the "primary." See primary key.
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