What is Database Migration?
Versioned SQL changes applied in order, so schema evolves without losing data. Migrations are the contract between yesterday’s database and today’s code.
Related terms
Drizzle ORM
A typed TypeScript layer over SQL for schema definition and queries. Types generated from the live schema keep app code and database in agreement.
Cloudflare D1 Database
SQLite at the edge: a relational database replicated near users with SQL semantics developers already know. BYOB DB provisions one per project with schema viewing and SQL inspection.
Seed Data & Fixtures
Realistic demo rows loaded in foreign-key order, chunked to respect limits. Good seeds make every preview feel like a real product on first load.
Cloudflare Worker
Serverless code running on Cloudflare’s edge network, close to visitors worldwide. BYOB deploys generated apps as Workers: no servers to provision, scale, or patch.
Dispatcher Worker
The SaaS router that maps each request — by publish slug or custom domain — to the right per-project Worker. One edge entry point, thousands of isolated apps behind it.
Dispatch Namespace
The isolate group containing a fleet of per-project Workers. Namespaces let one platform deploy, version, and route user projects independently.