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

tarafından
Yazdır
Yerleştir

Skor Tablosu

Görsel stil

Seçenekler

Şablonu değiştir

)
Otomatik olarak kaydedilen geri yüklensin mi: ?