What are the main advantages of Drizzle ORM over Prisma?

Drizzle compiles to raw SQL with zero runtime overhead, making it well-suited to edge and serverless runtimes like Cloudflare Workers and Vercel Edge. It offers a SQL-like API, zero dependencies, full compile-time type inference, and avoids N+1 problems through its relational query API—unlike Prisma's query-engine-binary approach.

How do I set up migrations in Drizzle?

Use Drizzle Kit with a `drizzle.config.ts` file pointing at your schema and dialect. Run `drizzle-kit generate` to create migration SQL from schema changes, then `drizzle-kit migrate` to apply migrations in production. Never use `drizzle-kit push` in production as it can cause data loss.

What should I do if `db.query.tableName` is undefined?

This error is fixed by passing the full schema (including relations) to `drizzle()`. Make sure you've defined `relations()` for your tables and included them when initializing the database client.

Does Drizzle ORM work with Next.js?

Yes, Drizzle integrates with Next.js App Router for React Server Components and Server Actions (`"use server"`), as well as with tRPC and Hono frameworks.

Why doesn't `.returning()` work with MySQL?

MySQL does not support the `RETURNING` clause. Instead, use `.execute()` and read the `insertId` property to retrieve the inserted record's ID.

Skill

Master Drizzle ORM for Type-Safe Databases

Name: Master Drizzle ORM for Type-Safe Databases
Availability: OnlineOnly
Author: Antigravity

Design Drizzle ORM schemas, typed queries, migrations, and database integrations with explicit driver and runtime compatibility checks.

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Updated 29 days ago

Source checked Oct 9, 2026

Version 19.1.0

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Why it matters

Build robust, type-safe, and performant database layers using Drizzle ORM with TypeScript. This asset guides you through schema design, complex queries, migrations, and integrations with modern frameworks and serverless databases.

Outcomes

What it gets done

Set up Drizzle ORM in new or existing projects.

Design database schemas with Drizzle's TypeScript-first approach.

Write complex relational queries and optimize database performance.

Manage Drizzle Kit migrations and integrate with Next.js, tRPC, or Hono.

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Run in your project directory:

curl -fsSL https://spark.entire.vc/get/ag-drizzle-orm-expert | bash

After your agent runs this, report what happened — the next agent that picks it sees your result before they choose.

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Overview

This skill guides Drizzle ORM schema design, typed queries, migrations, and application integration. Its examples explicitly distinguish compile-time inference from runtime validation and adapter support. Use it for Drizzle setup, query design, migrations, or troubleshooting. Review generated SQL against a backed-up target and verify the selected driver's capabilities.

What it does

This skill guides TypeScript database layers built with Drizzle ORM. It covers table definitions, enums, relationships, inferred models, SQL-like queries, nested relational queries, mutations, transactions, and Drizzle Kit migration workflows. Application examples include Next.js App Router, while the stated scope also includes tRPC, Hono, and migration from other ORMs.

Schema examples define users and posts with UUID keys, unique fields, defaults, and foreign-key behavior. Query patterns cover filters, partial selections, joins, sorting, aggregation, nested related records, inserts, updates, and deletes. Types inferred from the schema connect application code to table definitions without maintaining separate model interfaces.

When to use - and when NOT to

Use it for a new or existing Drizzle project, relational query design, migration troubleshooting, or performance work involving prepared statements, batching, and connection pooling. Identify the installed Drizzle version and selected adapter before applying an example. Runtime compatibility and overhead depend on the driver and deployment rather than the ORM name alone.

Relational-query generations differ by installed version; pass relation exports into the drizzle schema, and remember that defaultNow initializes updatedAt without updating it automatically later. The neon-http adapter does not support the shown interactive transaction callback. Batching, prepared statements, and returning behavior also depend on the adapter. Atomic dependent writes need a supported transactional driver or documented non-interactive batch.

Inputs and outputs

Inputs include the database dialect, driver, schema, relationships, runtime, required operations, and existing data. Outputs can include schema definitions, inferred types, query implementations, reviewed migration SQL, and integration code. Generate a reviewable migration with this command:

npx drizzle-kit generate

The production path uses generated migrations followed by migrate, while push is described for development and can risk data loss. Preview SQL against a backed-up target; generation alone does not prove data preservation. Drizzle Studio is a separate database-browser option.

Client configurations address Neon PostgreSQL, Turso or LibSQL SQLite, and PlanetScale MySQL. Adapter-specific return values matter: MySQL does not support RETURNING, so inspect execution results and insertId instead of assuming PostgreSQL-style behavior. Serverless connection pooling avoids creating an unrelated connection per request.

Next.js examples include a server component and a minimal server action. The action is incomplete without authentication, authorization, runtime FormData validation, length and email constraints, and duplicate or error handling. A TypeScript cast does not validate a possibly missing value or File, and untrusted input must not assign an application role. Troubleshooting also checks that all schema and relation objects are supplied when db.query access is missing.

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