Fabric Apps deep dive: where data lives, writeback to source systems, DevOps and anonymous access
adnan_hashmi · x · 2026-09-22
Panu Oksala published part two of his Fabric Apps series (preview feature), answering key practical questions:
- Data storage: the @entity() decorator generates a real schema deployed into a Fabric SQL database (a child item of the Fabric App); each entity maps to a table with typed SQL columns (@text() → NVARCHAR, etc.), and npx rayfin up db apply pushes schema updates.
- Writeback: how to get data back into source systems like ERP, and what happens to the Fabric SQL database when you delete the app.
- DevOps & anonymous access: app DevOps workflows and the new anonymous access capability.
The author notes preview features move fast and to check Microsoft Learn before building. Part one covered building apps by prompting an LLM with Rayfin.
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