# \#erd
**URL:** https://odm.discourse.group/tag/erd/7.md
[Latest](https://odm.discourse.group/latest.md) · [Categories](https://odm.discourse.group/categories.md) · [Tags](https://odm.discourse.group/tags.md)
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## [Version 3 Ultra-Minimal Structure and Template](https://odm.discourse.group/t/version-3-ultra-minimal-structure-and-template/185)
**Author:** [@matthomson](https://odm.discourse.group/u/matthomson)\
**Replies:** 13\
**Last updated:** [October 16, 2026, 1:50pm UTC](https://odm.discourse.group/t/version-3-ultra-minimal-structure-and-template/185 "2026-10-16T13:50:04Z")
For the launch of version 3 of the ODM, we are planning on also launching an ultra-minimal structure and template. The goal for this is to cut away everything that’s not essential so that users can get started in under a…
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## [Country ISO code vs Missingness Indicator](https://odm.discourse.group/t/country-iso-code-vs-missingness-indicator/201)
**Author:** [@matthomson](https://odm.discourse.group/u/matthomson)\
**Replies:** 7\
**Last updated:** [August 15, 2026, 8:43pm UTC](https://odm.discourse.group/t/country-iso-code-vs-missingness-indicator/201 "2026-08-15T20:43:42Z")
So a flag that recently turned up in validation is that “NA” is a categorical missingness values in the parts list, and “NA” is also Namibia’s ISO code in the zones and countries reference tables. This, in theory, shou…
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## [Site Level as new header in Sites table?](https://odm.discourse.group/t/site-level-as-new-header-in-sites-table/184)
**Author:** [@matthomson](https://odm.discourse.group/u/matthomson)\
**Replies:** 1\
**Last updated:** [January 5, 2026, 9:56pm UTC](https://odm.discourse.group/t/site-level-as-new-header-in-sites-table/184 "2026-01-05T21:56:47Z")
So in chatting with some of the folks at PHAC (@NHizon @janet.lin ), they highlighted that there is a feature that would be helpful to them given an issue they’re having with sites. I’ll try to summarize the issue here, …
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## [Integrating Epi week and Year avg into Measure Table](https://odm.discourse.group/t/integrating-epi-week-and-year-avg-into-measure-table/178)
**Author:** [@asmabahamyirou](https://odm.discourse.group/u/asmabahamyirou)\
**Replies:** 7\
**Last updated:** [April 23, 2025, 5:11pm UTC](https://odm.discourse.group/t/integrating-epi-week-and-year-avg-into-measure-table/178 "2025-04-23T17:11:59Z")
Hi, We would like support to ingest epi week and year average data into Measure Table. The table looks like the following: Location (site/City or PT) EpiYear EpiWeek Week Start Measure Value Toronto Ashbridges…
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## [Town and PT Integration into Site Table](https://odm.discourse.group/t/town-and-pt-integration-into-site-table/179)
**Author:** [@asmabahamyirou](https://odm.discourse.group/u/asmabahamyirou)\
**Replies:** 2\
**Last updated:** [April 16, 2025, 5:13pm UTC](https://odm.discourse.group/t/town-and-pt-integration-into-site-table/179 "2025-04-16T17:13:43Z")
Here is an example based on Ontario Province… Province: Ontario City Toronto Site 1: TAB Site 2: TNT Site 3: THU Site 4: TNC City: London Site 1: LON-W (London Greenway South) Site 2: LON-A (London Greenway North) …
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## [AssayMethodID and MethodID](https://odm.discourse.group/t/assaymethodid-and-methodid/118)
**Author:** [@wtingsam](https://odm.discourse.group/u/wtingsam)\
**Replies:** 3\
**Last updated:** [April 25, 2023, 5:18pm UTC](https://odm.discourse.group/t/assaymethodid-and-methodid/118 "2023-04-25T17:18:55Z")
If I am incorrect, please close this topic, In v2, assayMethodId has been changed to methodId according to the documentation. However, in the ERD, I couldnt find methodID, perhaps, I have misunderstood something here. …
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## [ODM version 2.0 Release Candidate 2](https://odm.discourse.group/t/odm-version-2-0-release-candidate-2/91)
**Author:** [@dmanuel](https://odm.discourse.group/u/dmanuel)\
**Replies:** 0\
**Last updated:** [December 5, 2022, 12:51am UTC](https://odm.discourse.group/t/odm-version-2-0-release-candidate-2/91 "2022-12-05T00:51:32Z")
Welcome to a discussion about the ODM RC2. RC2 represents all the planned additions and changes to version 2 (and quite a bit more than we initially planned). We are reviewing the RC2 in stages. Stage 1 Finalize all t…