[Solved] What is the main purpose of the Repository pattern in NestJS? — Ans: To separate data access logic from business logic | NestJS

NestJS - Database with TypeORM

What is the main purpose of the Repository pattern in NestJS?

ATo separate data access logic from business logic

BTo handle HTTP requests directly

CTo manage application configuration settings

DTo create UI components

Step-by-Step Solution

Solution:

Step 1: Understand the role of Repository pattern
The Repository pattern is designed to isolate data access logic from the rest of the application.
Step 2: Identify what Repository does in NestJS
In NestJS, repositories handle database operations, keeping business logic clean and testable.
Final Answer:
To separate data access logic from business logic -> Option A
Quick Check:
Repository pattern = separate data access [OK]

Quick Trick: Repository = data access layer, not UI or config [OK]

Common Mistakes:

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