drizzle-orm

Generates type-safe SQL queries and migrations for PostgreSQL in TypeScript applications.

3|Updated Dec 14, 2025

Search Tags:#typescript #migrations #schema #sql #orm #drizzle-orm #relations

Ready to run

npx skills add https://github.com/Syedaashnaghazanfar/full-stack-todo-app --skill drizzle-orm-syedaashnaghazanfar

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: drizzle-orm
Source: https://github.com/Syedaashnaghazanfar/full-stack-todo-app/tree/main/.claude/skills/drizzle-orm
Command: npx skills add https://github.com/Syedaashnaghazanfar/full-stack-todo-app --skill drizzle-orm-syedaashnaghazanfar

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Drizzle ORM provides a type-safe SQL layer for TypeScript applications, enabling safer, DX-rich database access without boilerplate.

Core Features & Use Cases

Schema Definitions: Strongly-typed table schemas with inference of types for queries and inserts.
Queries & Relations: Build complex, relation-aware queries with a fluent API and type-safe results.
Migrations & Templates: Generate and apply migrations, plus ready-made templates for database connection and schema.
Use Case: Build a Next.js or Node.js backend with a robust, type-safe data layer and migrations.

Quick Start

Install drizzle-orm and drizzle-kit, create src/db/schema.ts and src/db/db.ts using the provided templates, configure DATABASE_URL in .env, and run drizzle-kit generate and migrate to apply migrations.

Frequently Asked Questions about drizzle-orm

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I write type-safe SQL queries in TypeScript without manual type definitions?▼

Type-safe SQL in TypeScript uses schema inference to automatically derive query result types from table definitions, eliminating manual type annotations. Drizzle ORM generates types directly from your schema, so inserts, selects, and updates are type-checked at compile time.

What's the best way to set up a PostgreSQL database with migrations in a Node.js backend?▼

Define your schema in TypeScript, generate SQL migrations using drizzle-kit, then apply them to your PostgreSQL database. This approach combines version-controlled schema changes with type safety, ensuring your database structure and application types stay synchronized.

Can I build relational queries across multiple tables with type safety?▼

Yes, drizzle-orm supports type-safe relational queries through a fluent API that handles joins and nested data fetching. Query results are automatically typed based on your table relations and selected fields, catching errors at build time.

Do I need a separate migration tool if I'm using drizzle-orm?▼

Drizzle-kit handles migration generation and application as part of the drizzle ecosystem, so you don't need a separate tool. It integrates directly with your schema definitions to create and track schema changes.

How do I connect a Next.js application to a PostgreSQL database with drizzle-orm?▼

Set DATABASE_URL in your environment, create a database connection instance, define your schema, then use drizzle-orm in your API routes or server actions. Templates for database connection and schema setup are provided to accelerate initial configuration.

What are the limitations of using an ORM approach for SQL queries?▼

ORMs abstract SQL, which can reduce control over query optimization and performance tuning for complex queries. Drizzle mitigates this by exposing raw SQL when needed, but complex analytics or legacy schemas may benefit from direct SQL access.