Dual Model EHR implementation

2011-06-07 Thread Erik Sundvall
Hi! When we have approached openEHR storage we have tried to keep use cases separate and not solve everything with only one database structure. A simplified (perhaps naive) version of the reasoning: 1. If you want to access data as big chunks in a certain serialization format (like openEHR

Dual Model EHR implementation

2011-06-07 Thread Seref Arikan
Greetings, Somehow this conversation failed to fall into my primary mail screen, hence the late response and apologies... When I say specialize in the DB layer, I mean do not fall into the trap of delegating managing the DB layer design and use completely to something like Hibernate. There is now

Dual Model EHR implementation

2011-06-07 Thread Rene Spronk (Ringholm)
Hi, Speaking from the HL7 RIMBAA perspective, and echoing a lot of older cross-industry best practices: to create a database solely based on the RM is fine - if your aim is to have a database that's not optimized for any particular purpose, one that can be used for any purpose. In HL7 we've

Dual Model EHR implementation

2011-06-07 Thread Rene Spronk (Ringholm)
Hi Seref, From what we've seen in HL7 RIMBAA EAV is rarely embraced wholesale - in practice people (if they use EAV at all) use a mixed RDBMS - EAV approach. RDBMS for its speed and indexing capabilities, EAV for blob-type storage of rarely searched/used data. If you don't need the ultimate

Dual Model EHR implementation

2011-06-07 Thread Seref Arikan
Hi Rene, I did not mean to suggest that EAV is the only design that one should use. I guess a better attempt to express what I have in mind is this: people use relational design too heavily in DB layer, mostly due to benefit of tooling in other layers. Good analogy about the pudding :) On Tue,

Dual Model EHR implementation

2011-06-07 Thread pablo pazos
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Dual Model EHR implementation

2011-06-07 Thread Alan March
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openEHR FAQ and related web pages = wiki

2011-06-07 Thread Thomas Beale
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Dual Model EHR implementation

2011-06-07 Thread Alan March
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Dual Model EHR implementation

2011-06-07 Thread Randolph Neall
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Dual Model EHR implementation

2011-06-07 Thread pablo pazos
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Dual Model EHR implementation

2011-06-07 Thread Alan March
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Dual Model EHR implementation

2011-06-07 Thread Randolph Neall
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