one-to-many correspondence

one-to-many correspondence

[¦wən tə ¦men·ē ‚kär·ə′spän·dəns]
(computer science)
A structure that establishes relationships between two types of items in a data base such that one item of the first type can relate to several items of the second type, but items of the second type can relate back to only one item of the first type.