partial dependency
Third-person singular simple present indicative form of ping
An abrupt, sharp sound, especially one made by two hard objects colliding repetitively; a sound midway between a click and a clunk.
(zoology) Any dinosaur of the family Camptosauridae.
(computing) An attribute of a relation that depends on a key but also on a part of such key; this is a violation of second normal form.
スキーマを正規化する際、複合キーの一部にのみ依存する属性がないか確認する必要があります。これらは関係が第2正規形に達するのを妨げる可能性があります。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★