Constraint, A rule applied to a field limiting what data can be stored, Trigger, A procedure that fires automatically when data is changed, Transaction, A sequence of operations treated as a single unit of work, Rollback, Reverting the database to its state before a failed transaction, Foreign key, Ensures data in a field matches a value in a related table.

Databases: Data Integrity 3

さんの投稿です

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

)
自動保存: を復元しますか?