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Brendan Bannon · Nov 29, 2016

The Art of Mapping Globals to Classes (3 of 3)

Index Master On (ParentRef, ChildId) [ IdKey ]; Or Index Master On ChildId [ IdKey ]; Personally I think the first one should be the way it is done, but I am lazy so there is a good
Question
Mike Kadow · Jun 15, 2017

Ways and methods of Accessing Relationships with SQL

define instead of one global index and it will be super fast.
Article
Daniel Cole · Feb 14, 2025

Back to Basics: Why InterSystems?

This architecture allowed Mass General Brigham to scale its healthcare data platform, enabling seamless integration of over 100 million patient records across its network of hospitals
Article
Rahul Singhal · Mar 1, 2025

Leveraging InterSystems IRIS for Health Data Analytics with Explainable AI and Vector Search

FHIR Workflow Wearable device data is transformed into FHIR-compatible resources (e.g., Observation, Patient).
Question
Sebastian Thiele · Feb 27, 2025

Searching InterSystems FHIR Server for specific Encounter (based on peroid)

I´am not sure If I get the whole idea of searching for periods wrong or if it has something to do with the way period (datatype) information are stored and indexed within the InterSystems
Question
Lukas Dolezal · Apr 10, 2022

Index inheritance

I want to store data in an index global without defining an index in an inherited class.Example: Class Aclass [ Abstract ] { Index TXSBI On TextSearch(KEYS); Index TXSSI On TextSimilarity
Article
Allyson Gerace · Feb 6, 2019

Index Handling

a new index.
Question
Andy Richards · Jun 1, 2016

Activating an index

I need to create an index on a property but don't want it available to queries until the index is fully populated.
Article
Ben Schlanger · May 7, 2025

Long Running SQL Queries: a sample exploration

recommended that the customer take the following actions:1) Use the %NORUNTIME keyword when executing the query, forcing it to use the more efficient Query Plan2) Build a new bitmap index
Question
Evgeny Shvarov · Feb 26, 2023

How can I know the patient id for a newly submitted Patient resource?

I don't remember the header name 🤔 I think you have to include patient identifier(id) in patient resource Indeed it is in the Location Header.
Question
John Hotalen · Aug 31, 2016

Indexing - How to create an index on a List property

Index NewIndex1 On PropertyD(ELEMENTS); Documentation.
Question
Eyal Levin · Aug 21, 2025

custom operation on patient type that will receive a business identifier and will search them and for each paient it will return a $everything for all the found patients

Hi, I need a custom operation on patient type that will receive a business identifier and will search them and for each paient it will return a $everything for all the found patients

Patience Chikomba

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Anastasia Dyubaylo · May 10, 2023

Key Questions of the Month: April 2023

by Adam Lees Restoring a backupby William Caldwell Indexing on a Multivalue fileby Mindy Caldwell REST API Versioning in Headerby Michael Davidovich Interoperability "Productions