Drizzle ORM in 100 Seconds

Summary

Drizzle is a lightweight set of tools that enables type-safe object-relational mapping with databases like MySQL and PostgreSQL. It provides an API and TypeScript that closely matches the underlying SQL code, delivering type safety without abstraction overhead. Dedicated adapters for each database allow Drizzle to connect applications to cloud providers like RDS and Neon. An optional Prisma-like query API keeps data access concise. Drizzle Kit handles migrations. Drizzle Studio offers a GUI for local data management. The video demonstrates using Drizzle and Neon to define a schema, generate migrations, insert seed data, and run type-safe queries.

Takeaways

• 😀 Drizzle is an ORM that provides type safety without abstraction by closely matching the native SQL
• 💡It has dedicated adapters for different databases like PostgreSQL, MySQL etc
• 🌟It works with popular cloud hosts like RDS and Neon
• 👍It has an optional Prisma-like query API for concise data fetching
• 🔨It has a CLI called Drizzle Kit for database migrations
• 🎨It has Drizzle Studio GUI to manage data
• 🚀It's designed to run on Node.js, Bun, Deno and runtimes like Cloudflare Workers
• 🔌To use, install Drizzle, a database driver and connect to the DB
• ✏️Define schema using PG table(), columns and relations()
• 💾Generate migrations from schema to apply to the database

Q & A

What problem does Drizzle aim to solve?

Drizzle aims to solve the problem of complexity and performance overhead with traditional object-relational mapping (ORM) libraries when working with SQL databases.

How does Drizzle provide a simple yet powerful API?

Drizzle provides dedicated adapters for each database, as well as type safety and intellisense, without heavy abstractions on top of the native SQL.

What databases does Drizzle support?

Drizzle supports popular relational databases like MySQL, PostgreSQL, and SQLite.

What tools does Drizzle offer in addition to the core library?

Drizzle offers optional tools like a Prisma-like query API, a CLI for database migrations called Drizzle Kit, and Drizzle Studio for data management.

What JavaScript runtimes can you use Drizzle with?

Drizzle can run on Node.js, Bun, Dino, and edge runtimes like Cloudflare Workers.

How do you define the database schema with Drizzle?

The database schema is defined using TypeScript code and functions like pgTable() and relations() to set up tables, columns, constraints, and relationships.

What does the drizzle-kit generate command do?

The drizzle-kit generate command converts the TypeScript schema definitions into SQL migration files that can be applied to the database.

What makes Neon a good database choice to use with Drizzle?

Neon is easy to use, has a generous free tier, provides a fast serverless database driver, and has a dedicated Drizzle adapter and tutorial.

What are some key benefits of using Drizzle?

Key benefits are type safety, intellisense, avoiding ORM abstraction drawbacks, dedicated adapters for each database, and optional tools like Drizzle Studio.

What is required to get started with Drizzle?

To get started you need to install Drizzle and a compatible database driver, connect to the database, define a schema, run migrations to set up tables, and then start executing queries.