Notice: This Wiki is now read only and edits are no longer possible. Please see: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/wikis/Wiki-shutdown-plan for the plan.
Difference between revisions of "Entity Relation"
(→Version) |
(→Definition) |
||
| Line 7: | Line 7: | ||
* An [[Entity Relation]] is a kind of [[Attribute]] of an [[Entity]]. | * An [[Entity Relation]] is a kind of [[Attribute]] of an [[Entity]]. | ||
* Each value of an [[Entity Relation]] identifies an [[Entity]] [Note: the target [[Entity | Entities]]s may be in the same or different [[Context]]s as the source [[Entity]] ] | * Each value of an [[Entity Relation]] identifies an [[Entity]] [Note: the target [[Entity | Entities]]s may be in the same or different [[Context]]s as the source [[Entity]] ] | ||
| − | * The value(s) of an [[Entity Relation]] is | + | * The value(s) of an [[Entity Relation]] is an [[Entity]]. |
== Used By == | == Used By == | ||
Revision as of 12:47, 13 June 2008
{{#eclipseproject:technology.higgins}}
Contents
Version
This pages describes the concept of Entity Relation used in Context Data Model 1.1
Definition
- An Entity Relation is a kind of Attribute of an Entity.
- Each value of an Entity Relation identifies an Entity [Note: the target Entitiess may be in the same or different Contexts as the source Entity ]
- The value(s) of an Entity Relation is an Entity.