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Sep 14, 2016
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Small typo #75

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2 changes: 1 addition & 1 deletion site/learn/BestPractice-Caching.md
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Expand Up @@ -33,7 +33,7 @@ One possible pattern for this is reserving a field, like `id`, to be a globally

This is a powerful tool to hand to client developers. In the same way that the URLs of a resource-based API provided a globally unique key, the `id` field in this system provides a globally unique key.

If the backend uses something like UUIDs for identifiers, then exposing this gloablly unique ID may be very straightforward! If the backend doesn't have a globally unique ID for every object already, the GraphQL layer might have to construct this. Oftentimes, that's as simple as appending the name of the type to the ID and using that as the identifier; the server might then make that ID opaque by base64-encoding it.
If the backend uses something like UUIDs for identifiers, then exposing this globally unique ID may be very straightforward! If the backend doesn't have a globally unique ID for every object already, the GraphQL layer might have to construct this. Oftentimes, that's as simple as appending the name of the type to the ID and using that as the identifier; the server might then make that ID opaque by base64-encoding it.

## Compatibility with existing APIs

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