How do I set up environment and install prisma?

# Step 1: Environment Setup 1. Ensure Node.js (v20+) is installed. 2. Create a new project: ```bash mkdir prisma-learn cd prisma-learn npm init -y npm install typescript tsx @types/node --save-dev npx tsc --init ``` 3. Install Prisma dependencies: ```bash npm install prisma @prisma/client dotenv --save-dev npm install @prisma/adapter-sqlite ``` 4. Configure `tsconfig.json`: ```json { "compilerOptions": { "module": "NodeNext", "moduleResolution": "bundler", "target": "ES2023", "strict": true, "esModuleInterop": true } } ``` 5. Add to `package.json`: ```json "type": "module" ```

How do I initialize prisma and define data model?

# Step 2: Prisma Init and Schema 1. Initialize Prisma for SQLite: ```bash npx prisma init --datasource-provider sqlite ``` 2. Edit `prisma/schema.prisma`: ```prisma generator client { provider = "prisma-client" } datasource db { provider = "sqlite" url = "file:./dev.db" } model User { id Int @id @default(autoincrement()) email String @unique name String? posts Post[] } model Post { id Int @id @default(autoincrement()) title String content String? published Boolean @default(false) authorId Int author User @relation(fields: [authorId], references: [id]) } ``` 3. Verify schema with `npx prisma validate`.

How do I run migrations and generate client?

# Step 3: Migrate Database 1. Create and apply migration: ```bash npx prisma migrate dev --name init ``` 2. Generate Prisma Client: ```bash npx prisma generate ``` 3. Create `lib/prisma.ts`: ```ts import { PrismaSQLite } from "@prisma/adapter-sqlite"; import { PrismaClient } from "@prisma/client"; import sqlite from "better-sqlite3"; const sqlite3 = new sqlite("./dev.db"); const adapter = new PrismaSQLite(sqlite3); const prisma = new PrismaClient({ adapter }); export { prisma }; ``` This sets up your database tables and type-safe client.

How do I implement crud operations?

# Step 4: Query with Prisma Client 1. Create `script.ts`: ```ts import { prisma } from './lib/prisma.js'; async function main() { // Create const user = await prisma.user.create({ data: { name: 'Alice', email: 'alice@prisma.io', posts: { create: { title: 'Hello', content: 'Post 1', published: true } } }, include: { posts: true } }); console.log(user); // Read const users = await prisma.user.findMany({ include: { posts: true } }); console.log(users); // Update await prisma.post.updateMany({ where: { published: false }, data: { published: true } }); // Delete await prisma.user.deleteMany({ where: { email: { endsWith: '@test.io' } } }); } main().finally(async () => { await prisma.$disconnect(); }); ``` 2. Run: `npx tsx script.ts`

How do I explore studio, examples, and next steps?

# Step 5: Advanced Exploration 1. Launch Prisma Studio: `npx prisma studio` - View/edit data visually. 2. Clone examples: `git clone https://github.com/prisma/prisma-examples` - Run REST API example: cd into `javascript/rest-nextjs-api-routes`, npm i, npx prisma generate, npm run dev. 3. Add to existing project: Follow https://www.prisma.io/docs/orm/add-to-existing-project. 4. Learn more: Relations, full-text search via official guides. Build a todo app integrating all steps.

Master Prisma ORM for Type-Safe DB Apps in 5 Steps

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Step-by-Step Guide

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Step 1: Environment Setup

Ensure Node.js (v20+) is installed.
Create a new project:

mkdir prisma-learn
cd prisma-learn
npm init -y
npm install typescript tsx @types/node --save-dev
npx tsc --init

Install Prisma dependencies:

npm install prisma @prisma/client dotenv --save-dev
npm install @prisma/adapter-sqlite

Configure tsconfig.json:

{
  "compilerOptions": {
    "module": "NodeNext",
    "moduleResolution": "bundler",
    "target": "ES2023",
    "strict": true,
    "esModuleInterop": true
  }
}

Add to package.json:

"type": "module"

Why this step matters:

-Establishes a solid Node.js TypeScript project foundation for Prisma
-Enables seamless database integration in real-world backend apps

20-30 minutes

Node.js v20+, npm, VS Code, Terminal

$0

Definition of Done

•Node.js project initialized with TypeScript
•Prisma and dependencies installed successfully
•`npm run dev` or similar script testable

Common Mistakes to Avoid

❌ Skipping TypeScript setup or ESM config

→Update tsconfig.json and package.json 'type': 'module' exactly as shown

❌ Installing wrong adapter for SQLite

→Use @prisma/adapter-sqlite for local file-based DB

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Learning Resources

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🌐 Helpful Websites

Prisma Official Documentation

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Comprehensive guides, quickstarts, and references

Prisma GitHub Repo

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Source code, issues, and contributions

Prisma Examples

examples

Ready-to-run projects for various frameworks

🛠️ Useful Tools

Prisma Studio

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Visual database GUI for viewing/editing data

Prisma CLI

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Command-line tool for init, migrate, generate

Master Prisma ORM for Type-Safe DB Apps in 5 Steps