Database polyfills (Prisma ORM v6) (/docs/orm/v6/prisma-client/setup-and-configuration/database-polyfills)

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Prisma Client provides features that are not achievable with relational databases. These features are referred to as "polyfills" and explained on this page.

Location: ORM > v6 > Prisma Client > Setup and Configuration > Database polyfills

Prisma Client provides features that are typically either not achievable with particular databases or require extensions. These features are referred to as polyfills. For all databases, this includes:

• Initializing ID values with cuid and uuid values
• Using @updatedAt to store the time when a record was last updated

For relational databases, this includes:

• Implicit many-to-many relations

For MongoDB, this includes:

• Relations in general - foreign key relations between documents are not enforced in MongoDB

• Configuring error formatting: This page explains how to configure the formatting of errors when using Prisma Client.
• Custom model and field names: Learn how you can decouple the naming of Prisma models from database tables to improve the ergonomics of the generated Prisma Client API.
• Database connections: Databases connections
• Generating Prisma Client: This page explains how to generate Prisma Client. It also provides additional context on the generated client, typical workflows and Node.js configuration.
• Instantiating Prisma Client: How to create and use an instance of PrismaClient in your app.