External ID

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Each link can have an associated external ID as opposed to the internal ID (1, 2, 3...). The external ID can be either string based, integer (0..2147483647) or int64 (0.."really big") based.

 

The advantage is an external ID can be constant over time and globally unique - even when working with a subset of a larger database.

 

RW Net includes functions for translating between internal and external ID, but otherwise all functions uses internal ID for input / output.