PlanetScale

PlanetScale is a MySQL-compatible serverless database platform built on Vitess, the same technology that powers YouTube's database infrastructure. It provides automatic horizontal scaling, connection pooling, and a branching workflow inspired by Git that lets developers create isolated database branches for testing schema changes before merging them into production.

The branching model is the most distinctive feature. Instead of running migration scripts directly against production, developers create a branch, apply schema changes there, verify the changes work correctly, and then create a deploy request similar to a pull request. PlanetScale analyzes the migration for potential issues like data loss or locking problems before applying it with zero downtime. This eliminates one of the most stressful aspects of database management.

For web development teams, PlanetScale addresses common database pain points. Schema migrations that traditionally require maintenance windows happen seamlessly. Connection pooling handles the connection limits that serverless environments create. Automatic scaling adjusts to traffic without manual intervention. The platform integrates with popular ORMs including Prisma, Drizzle, and Laravel Eloquent, making adoption straightforward for teams already using MySQL-compatible databases in their applications.