Hi all, another question about AQL and CONTAINS.
Most of the AQL samples use just one branch in the FROM clause, like:
EHR CONTAINS COMPOSITION CONTAINS OBSERVATION.
I'm wondering what would be the correct FROM notation when more than one
ENTRY is needed. Some examples below.
SELECT o1/data[...]/.../value, o2/..., ....
FROM
COMPOSITION c [archid] CONTAINS OBSERVATION o1 [archid2],
COMPOSITION c [archid] CONTAINS OBSERVATION o2 [archid3],
COMPOSITION c [archid] CONTAINS OBSERVATION o3 [archid4]
WHERE ...
SELECT o1/data[...]/.../value, o2/..., ....
FROM
COMPOSITION c [archid]
CONTAINS OBSERVATION o1 [archid2] AND
CONTAINS OBSERVATION o2 [archid3] AND
CONTAINS OBSERVATION o3 [archid4]
WHERE ...
Thanks!
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Ing. Pablo Pazos Gutiérrez
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