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This is a simple metadata property to indicate that a column is a foreign key to another table in the same database. One can set the Foreign Type property to the target table. This provides metadata so developers will know that a column is used as a foreign key. Servoy will use this information when new relations are created between the tables and auto-fill the keys. This property is also used by the mergeRecords method method of the databaseManager API to update any affected related records, such that they'll reference a new key. 

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The UID parameter that was supplied at the time of [login|Security#Security-login|Link to login method in reference guide]of login, reentered each time the record is modified.

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