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- One-to-one_(data_model) abstract "In systems analysis, a one-to-one relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model) A and B in which one element of A may only be linked to one element of B, and vice versa.For instance, think of A as countries, and B as capital cities. A country has only one capital city, and a capital city is the capital of only one countryIn a relational database, a one-to-one relationship exists when one row in a table may be linked with only one row in another table and vice versa. It is important to note that a one-to-one relationship is not a property of the data, but rather of the relationship itself. A list of mothers and their children may happen to describe mothers with only one child, in which case one row of the mothers table will refer to only one row of the children table and vice versa, but the relationship itself is not one-to-one, because mothers may have more than one child, thus forming a one-to-many relationship.".
- One-to-one_(data_model) thumbnail CPT-Databases-OnetoOne.svg?width=300.
- One-to-one_(data_model) wikiPageExternalLink dbdesign.php?page=manymany.php.
- One-to-one_(data_model) wikiPageID "47329480".
- One-to-one_(data_model) wikiPageLength "1554".
- One-to-one_(data_model) wikiPageOutDegree "10".
- One-to-one_(data_model) wikiPageRevisionID "673095385".
- One-to-one_(data_model) wikiPageWikiLink Cardinality_(data_modeling).
- One-to-one_(data_model) wikiPageWikiLink Category:Data_modeling.
- One-to-one_(data_model) wikiPageWikiLink Entity.
- One-to-one_(data_model) wikiPageWikiLink Entity–relationship_model.
- One-to-one_(data_model) wikiPageWikiLink Many-to-many_(data_model).
- One-to-one_(data_model) wikiPageWikiLink One-to-many_(data_model).
- One-to-one_(data_model) wikiPageWikiLink Relational_database.
- One-to-one_(data_model) wikiPageWikiLink Systems_analysis.
- One-to-one_(data_model) wikiPageWikiLink File:CPT-Databases-OnetoOne.svg.
- One-to-one_(data_model) wikiPageWikiLinkText "One-to-one (data model)".
- One-to-one_(data_model) wikiPageUsesTemplate Template:Systemstheory-stub.
- One-to-one_(data_model) subject Category:Data_modeling.
- One-to-one_(data_model) hypernym Cardinality.
- One-to-one_(data_model) comment "In systems analysis, a one-to-one relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model) A and B in which one element of A may only be linked to one element of B, and vice versa.For instance, think of A as countries, and B as capital cities.".
- One-to-one_(data_model) label "One-to-one (data model)".
- One-to-one_(data_model) wasDerivedFrom One-to-one_(data_model)?oldid=673095385.
- One-to-one_(data_model) depiction CPT-Databases-OnetoOne.svg.
- One-to-one_(data_model) isPrimaryTopicOf One-to-one_(data_model).
