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Corticon Server: Data Integration Guide : Advanced EDC Topics : Setting EDC Vocabulary properties : Editing Association EDC properties

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Editing Association EDC properties
When an EDC Datasource has been added to the Vocabulary, its Association properties for database interaction are displayed.
Note: The basic and document mapping Association properties are discussed in Association Nodes: Adding and editing associations and their properties
Table 38. Enterprise Data Connector (EDC) Attribute Properties
Join Expression
Expression that defines the relationships between foreign key columns in the database
Required for all database-mapped associations. Inferred in most instances from database metadata (exceptions: unary associations and certain many-to-many associations).