One-to-many (other)
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One-to-many may refer to: *
Fat link In computing, a hyperlink, or simply a link, is a digital reference providing direct access to data by a user's clicking or tapping. A hyperlink points to a whole document or to a specific element within a document. Hypertext is text with hy ...
, a one-to-many link in hypertext *
Multivalued function In mathematics, a multivalued function, multiple-valued function, many-valued function, or multifunction, is a function that has two or more values in its range for at least one point in its domain. It is a set-valued function with additional p ...
, a one-to-many function in mathematics *
One-to-many (data model) In systems analysis, a one-to-many relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model). For example, take a car and an owner of the car. The car can only be owned by on ...
, a type of relationship and cardinality in systems analysis *
Point-to-multipoint communication In telecommunications, point-to-multipoint communication (P2MP, PTMP or PMP) is communication which is accomplished via a distinct type of one-to-many connection, providing multiple paths from a single location to multiple locations. Point-to ...
, communication which has a one-to-many relationship * A one to many relation, a
relation Relation or relations may refer to: General uses * International relations, the study of interconnection of politics, economics, and law on a global level * Interpersonal relationship, association or acquaintance between two or more people * ...
such that at least one element of its domain is assigned to more than one elements of its codomain, and no element of its codomain is assigned to more than one element of its domain


See also

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Cardinality (data modeling) Within data modelling, cardinality is the numerical relationship between rows of one table and rows in another. Common cardinalities include ''one-to-one'', ''one-to-many'', and ''many-to-many''. Cardinality can be used to define data models as w ...
*
Multicast In computer networking, multicast is a type of group communication where data transmission is addressed to a group of destination computers simultaneously. Multicast can be one-to-many or many-to-many distribution. Multicast differs from ph ...
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One Too Many (data modeling) One Too Many may refer to: * ''One Too Many'' (1951 film) * ''One Too Many'' (1916 film), starring Oliver Hardy * ''One Too Many'' (2022 film), 2022 Nigerian film * "One Too Many" (song), by Keith Urban and Pink * One 2 Many, a Norwegian band ...
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One-to-one (disambiguation) One-to-one or one to one may refer to: Mathematics and communication *One-to-one function, also called an injective function *One-to-one correspondence, also called a bijective function *One-to-one (communication), the act of an individual comm ...
* Point-to-point (disambiguation) {{disambig