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What is the main purpose of PrismaService in a NestJS application?

easy📝 Conceptual Q11 of 15
NestJS - Database with Prisma
What is the main purpose of PrismaService in a NestJS application?
ATo provide a reusable database client instance for querying the database
BTo handle HTTP requests and responses
CTo define the database schema
DTo manage application configuration settings
Step-by-Step Solution
Solution:
  1. Step 1: Understand PrismaService role

    PrismaService wraps the Prisma Client to provide a single database connection instance across the app.
  2. Step 2: Differentiate from other roles

    It does not handle HTTP or define schema; those are handled by controllers and Prisma schema files respectively.
  3. Final Answer:

    To provide a reusable database client instance for querying the database -> Option A
  4. Quick Check:

    PrismaService = database client provider [OK]
Quick Trick: PrismaService is your database helper in NestJS [OK]
Common Mistakes:
  • Confusing PrismaService with controllers
  • Thinking PrismaService defines schema
  • Assuming PrismaService manages config

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