Convert many to relationship one

sqlite - Converting one-to-many relationships into relations - Software Engineering Stack Exchange

convert many to relationship one

If many-to-many mapping, union of all entity- set primary keys becomes primary key of relationship-set. • primary_key(A) (primary_key(B). – If one-to-one. We will convert each entity/relationship set to a table, which involves deciding One-to-many: The candidate key of R is the same as B (i.e., the entity set on the. For instance, the Person can have a House from zero to many, but a House can have only one Person. To represent such relationship the.

Что-то шевельнулось в углу.

  • Converting Models

Сьюзан подняла. На плюшевом диване, закутавшись в махровый халат, грелся на солнце Дэвид и внимательно за ней наблюдал. Она протянула руку, поманив его к .

convert many to relationship one