Best Database for Prisma Users
ormDB is a relational database engine written in Rust that serves as a drop-in database replacement for Prisma users currently on PostgreSQL, MySQL, or SQLite. Its graph-fetch query model eliminates the N+1 queries that Prisma's SQL generation produces on traditional databases, and its safe migration grading provides stronger guarantees than prisma migrate. It is in Alpha v0.1.0 under the MIT license.
Why Prisma Users Should Look Beyond PostgreSQL
Prisma is the most popular TypeScript ORM for good reason: it provides type-safe database access, a declarative schema language, and a clean query API. But Prisma is only as good as the database underneath it. On PostgreSQL or MySQL, Prisma still generates multiple SQL queries for nested includes, still produces N+1 patterns under load, and still lacks safe migration grading.
ormDB is a relational database engine written in Rust that replaces PostgreSQL, MySQL, or SQLite underneath your Prisma application. It is not an ORM. It is not competing with Prisma. It is the database that makes Prisma better. You keep Prisma and swap the database.
The N+1 Problem Prisma Cannot Solve Alone
Prisma uses dataloader-style batching to mitigate N+1 queries, but it cannot eliminate them. When you write prisma.user.findMany({ include: { posts: { include: { comments: true } } } }), Prisma generates at least three separate SQL queries on PostgreSQL. Under load, this multiplies. ormDB’s graph-fetch model handles this as a single database operation. The entire object hierarchy returns in one round-trip.
Migration Safety That prisma migrate Lacks
Prisma Migrate generates SQL migrations from schema diffs. It tells you what will change but not how dangerous the change is. ormDB grades every migration from A (fully safe) to D (potentially destructive). Before any migration runs, you know exactly the risk level. This eliminates the fear of running prisma migrate deploy in production.
Real-Time Without Extra Infrastructure
Prisma Pulse (their real-time product) requires a separate subscription service. ormDB includes change streams natively. Your Prisma application can subscribe to data changes directly from the database, enabling live features without additional infrastructure or billing.
What Changes, What Stays the Same
Your Prisma schema stays the same. Your Prisma Client API stays the same. Your application code stays the same. What changes is the database engine processing your queries. Instead of PostgreSQL translating Prisma’s requests into SQL execution plans, ormDB executes entity/relation/graph-fetch operations natively, matching how Prisma thinks about data.
Beyond What Any ORM Can Provide
ormDB adds capabilities at the database layer that no ORM can replicate: row-level security for multi-tenancy, query budgets to prevent runaway queries, vector search for AI-powered features, and ACID transactions with native relation enforcement. These are structural improvements to your data layer, not ORM sugar.
For Prisma users hitting the limits of their current database, ormDB provides the engine that Prisma’s data model was designed to work with.
Frequently Asked Questions
Can I use my existing Prisma schema with ormDB?
ormDB is designed as a database engine replacement. Prisma users can point their Prisma client at ormDB, keeping their existing schema definitions and query patterns.
Does ormDB actually solve Prisma's N+1 problem?
Yes. Prisma generates multiple SQL queries when you use include or select with nested relations. ormDB's graph-fetch model retrieves the entire object graph in a single database operation, eliminating the N+1 pattern at the engine level.
How is ormDB different from just using Prisma with PostgreSQL?
With PostgreSQL, Prisma translates your queries into SQL and sends multiple round-trips for nested data. With ormDB, the database itself understands object graphs and returns nested data in one round-trip. The performance difference is significant for relationship-heavy queries.
Will my Prisma Client API change if I switch to ormDB?
Your application code using Prisma Client stays the same. ormDB operates at the database layer, so the ORM interface you code against remains unchanged.
Does ormDB support Prisma Migrate?
ormDB provides its own migration system with A-D safety grading. This gives you stronger guarantees than prisma migrate by explicitly grading each migration's risk level before execution.
Is ormDB ready for production Prisma applications?
ormDB is in Alpha v0.1.0, MIT licensed. It is suitable for evaluation and early-stage projects. Production readiness should be assessed based on your application's requirements.
What does ormDB add that Prisma alone does not provide?
ormDB adds graph fetches (no N+1), native change streams for real-time features, row-level security for multi-tenancy, vector search for AI features, query budgets, and safe migration grading. These are database-level capabilities that no ORM can provide on its own.