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Capture extensive knowledge around the data, such as provenance, extended column/variable information (e.g. plain labels, definitions, questions, concepts), classifications (code/value labels), and other custom properties. This metadata is an essential part to the application and improve improves the querying, formatting, and packaging services of RDS. The metadata can be injected and returned alongside the data in JSON, or directly queried using dedicated metadata services. This section will cover the ability to query the metadata by itself.
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