Prisma setup in NestJS - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Prisma in the context of NestJS?

Prisma is a modern database toolkit that helps NestJS apps talk to databases easily and safely. It generates code to access your database with simple commands.

beginner

Which command initializes Prisma in a NestJS project?

You run npx prisma init to create the Prisma setup files like schema.prisma and environment configs.

intermediate

How do you integrate Prisma Client into a NestJS service?

You create a PrismaService that extends PrismaClient and inject it into other services to use Prisma's database methods.

intermediate

Why should PrismaService extend PrismaClient in NestJS?

Extending PrismaClient lets PrismaService use all database methods directly and manage connection lifecycle cleanly within NestJS.

beginner

What is the purpose of the schema.prisma file?

It defines your database models and connection details. Prisma uses it to generate the client code for database access.

Which command creates the Prisma client after defining models?

A npx prisma generate

B npm run start

C npx prisma migrate

D npm install prisma

npx prisma generate creates the Prisma client code based on your schema.

Where do you put your database connection URL for Prisma in NestJS?

A .env file

B main.ts

C package.json

D prisma.service.ts

The .env file holds environment variables like the database URL for Prisma.

What does PrismaService usually extend in NestJS?

A Controller

B HttpService

C Module

D PrismaClient

PrismaService extends PrismaClient to access database methods.

Which NestJS feature helps inject PrismaService into other parts of the app?

A Middleware

B Dependency Injection

C Guards

D Interceptors

Dependency Injection allows PrismaService to be used in other services or controllers.

What file defines your database tables and relations in Prisma?

A main.ts

B app.module.ts

C schema.prisma

D package.json

schema.prisma defines models representing tables and relations.

Explain the steps to set up Prisma in a new NestJS project.

Think about installation, configuration, code generation, and integration.

Describe how PrismaService works inside a NestJS app and why it is useful.

Focus on PrismaService role and benefits in NestJS.