Query Languages

Status: STABLE Release: development

Archetype Query Language (AQL): an SQL-like language for retrieving openEHR data using archetype paths as the addressing mechanism. Includes the formal specification and annotated query examples.

openEHR Query Languages block diagram

Figure 1. Specification Component Overview

Specifications

Archetype Query Language (AQL) STABLE — Archetype Query Language — SQL-like language for querying EHR data using archetype paths as the addressing mechanism
Archetype Query Language Examples DEVELOPMENT — AQL Examples — Annotated examples covering common clinical data retrieval patterns