Last Updated :2025/12/02

composite key

Noun
Japanese Meaning
複数のフィールドを組み合わせて構成されたキー(データベースにおいて、一部のフィールドがスーパーキーでない場合を含む)
What is this buttons?

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。

plural

Quizzes for review

(databases) A key constituted by several fields, including one which is not a superkey.

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See correct answer

composite key

When designing the user table, we decided that a composite key would better capture the pair of email and domain to prevent duplicates.

See correct answer

When designing the user table, we decided that a composite key would better capture the pair of email and domain to prevent duplicates.

音声機能が動作しない場合はこちらをご確認ください

English - English

Word Edit Setting
  • Users who have edit permission for words - All Users
  • Screen new word creation
  • Screen word edits
  • Screen word deletion
  • Screen the creation of new headword that may be duplicates
  • Screen changing entry name
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Sentence Edit Setting
  • Users who have edit permission for sentences - All Users
  • Screen sentence deletion
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Quiz Edit Setting
  • Users who have edit permission for quizzes - All Users
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Editing Guideline

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