compound key
Before a conversation. / Prior to the development of language skills to the level of conversation.
(music) A type of dulcimer whose metal strings are stretched over a trapezoidal sounding board that has two bridges, one bass and one treble, set on a stand and played with small mallet-like hammers.
Used other than figuratively or idiomatically: see cut, down. / (transitive) To bring down by cutting. / (idiomatic, transitive) To insult, to belittle. / (idiomatic) To reduce the amount of someth...
(databases) A key which is constituted by several fields.
注文テーブルの一意性を確保するために、order_id と product_id からなる複合キーを使用しました。
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