You might be interested in https://www.orgroam.com/ which is a broadly similar idea to org-brain but uses a SQLite database to track id locations and links.
- org-id-locations as a large-scale database store? Laurence von Bottorff
- Re: org-id-locations as a large-scale database ... yeti
- Re: org-id-locations as a large-scale datab... Rick Lupton
- Re: org-id-locations as a large-scale datab... Ihor Radchenko
- Re: org-id-locations as a large-scale d... yeti
- Re: org-id-locations as a large-sca... Ihor Radchenko
- Re: org-id-locations as a larg... Laurence von Bottorff
- Re: org-id-locations as a ... Ihor Radchenko