composite key
(countable) A formal grammar that describes a set of possible grammars. / (uncountable) The study of systems of grammar.
(US, dialect) A practitioner of rootwork, or hoodoo.
(databases) A key constituted by several fields, including one which is not a superkey.
plural of argoletier
ユーザーテーブルを設計する際、重複を防ぐためにメールアドレスとドメインの組み合わせをより適切に識別するために複合キーを採用することにしました。
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DiQt
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