AQL FROM...CONTAINS Clauses - Unified Clinical Dashboard Using AQL
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AQL FROM ... CONTAINS Clauses

Learn how FROM…CONTAINS selects compositions, observations, clusters, and elements across the openEHR hierarchy.

Part of Unified Clinical Dashboard Using AQL in the Build 5 openEHR Applications in 10 weeks course.

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AQL SELECT Clause

Understand how to extract exact data points like paths, elements, arrays, and aggregates, using the SELECT clause in AQL.

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