Apidays Virtual Helsinki - Daniel D'Agostino, Cleverbit Software
summary
OData is an open protocol (started 2007) that sits as a light layer over REST and maps a data source into an entity data model and auto-generated service and metadata docs. Live demo returns 200 records and shows URL queries like $select/$filter/$expand plus $top/$skip/$count for built-in pagination (server limit set to 20), $orderby and group-by sum aggregations. Benefits: minimal boilerplate, easy DB integration, clients fetch only needed fields. Drawbacks: metadata is clumsy for humans, tighter coupling to the data source, and contrast with GraphQL on discoverability and POST-based querying.
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chapters (11)
- 0:00Introduction
- 0:33About Daniel
- 0:53REST
- 1:45fetching
- 3:29query
- 4:31OData
- 6:11OData Architecture
- 7:07Demo
- 11:41Advantages
- 12:23Advanced capabilities
- 17:11Practical aspects
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