MikroORM Documentation

Official docs for MikroORM v7 — TypeScript ORM for Node.js based on Data Mapper, Unit of Work, and Identity Map patterns.

CRITICAL: grep references/ for keywords before answering.

Reference Index (78 docs)

Getting Started Guide

• references/guide/00-introduction.md — Introduction
• references/guide/01-first-entity.md — First entity
• references/guide/02-relationships.md — Relationships tutorial
• references/guide/03-project-setup.md — Project setup
• references/guide/04-advanced.md — Advanced patterns
• references/guide/05-type-safety.md — Type safety

Core Concepts

• references/entity-manager.md — EntityManager API
• references/unit-of-work.md — Unit of Work pattern
• references/identity-map.md — Identity Map
• references/repositories.md — Repositories
• references/transactions.md — Transactions
• references/transactional-outbox.md — Transactional outbox pattern

Entity Definition

• references/defining-entities.md — Defining entities (decorators)
• references/define-entity.md — defineEntity() helper (v7 new)
• references/using-decorators.md — Decorators reference
• references/decorators.md — All decorators
• references/schema-first-guide.md — Schema-first approach
• references/entity-constructors.md — Entity constructors

Relationships & Loading

• references/relationships.md — Relationships (all types)
• references/collections.md — Collections
• references/populating-relations.md — Populating relations
• references/loading-strategies.md — Loading strategies
• references/dataloaders.md — DataLoaders
• references/type-safe-relations.md — Type-safe relations

Querying

• references/query-builder.md — Query builder (Kysely-based in v7)
• references/query-conditions.md — Query conditions / FilterQuery
• references/raw-queries.md — Raw SQL queries
• references/kysely.md — Kysely integration (v7 new)

Schema & Migrations

• references/migrations.md — Migrations
• references/schema-generator.md — Schema generator
• references/seeding.md — Database seeding
• references/entity-generator.md — Entity generator

Advanced

• references/embeddables.md — Embeddable entities
• references/inheritance-mapping.md — Inheritance (STI, TPT)
• references/composite-keys.md — Composite keys
• references/json-properties.md — JSON properties
• references/custom-types.md — Custom types
• references/virtual-entities.md — Virtual entities
• references/view-entities.md — Database views
• references/materialized-views.md — Materialized views
• references/filters.md — Entity filters
• references/events.md — Lifecycle events
• references/serializing.md — Serialization
• references/streaming.md — Streaming results
• references/multiple-schemas.md — Multiple schemas
• references/using-bigint-pks.md — BigInt primary keys

Configuration & Integration

• references/configuration.md — Configuration reference
• references/usage-with-nestjs.md — NestJS integration
• references/usage-with-nextjs.md — Next.js integration
• references/usage-with-sql.md — SQL databases
• references/usage-with-mongo.md — MongoDB
• references/usage-with-sqlite.md — SQLite / libSQL / Turso
• references/usage-with-cockroachdb.md — CockroachDB
• references/read-connections.md — Read replicas

Upgrading

• references/upgrading-v6-to-v7.md — v6 → v7 migration guide
• references/upgrading-v5-to-v6.md — v5 → v6