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How to Sort Search Results Using the _sort Parameter

Sort Parameter - Oracle Help Center Oracle Help Center FHIR

August 23, 2025

Summary

When searching for FHIR resources, the query parameter `_sort` can be used to sort the returned results based on specific criteria. This allows developers to precisely control the display order of the retrieved data.

Details

This document explains how to sort search results when using a FHIR API. Clients can utilize the query parameter `_sort`, providing a comma-separated list of sort rules (e.g., `name,-id, active, address`). Each item is a search parameter; optionally, prefixing it with a hyphen (`-`) indicates descending order. If no hyphen is present, the default is ascending order. This mechanism allows for complex sorting based on multiple fields within a single API call, significantly improving data utilization efficiency. In healthcare IT, this capability is crucial for designing user interfaces and displaying medical information, ensuring that the most relevant data is presented to the user first.

Technology Note

FHIR(Fast Healthcare Interoperability Resources)は医療データ交換の国際標準。このエントリの関連技術: FHIR

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