TypeORM module setup in NestJS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the TypeORM module in a NestJS module.

NestJS

import { Module } from '@nestjs/common';
import { TypeOrmModule } from '[1]';

@Module({
  imports: [TypeOrmModule.forRoot()],
})
export class AppModule {}

Drag options to blanks, or click blank then click option'

A@nestjs/typeorm

Btypeorm

C@nestjs/common

Dtypeorm-nestjs

Attempts:

3 left

💡 Hint

Common Mistakes

Importing from 'typeorm' directly instead of '@nestjs/typeorm'.

Using '@nestjs/common' for TypeORM import.

You import TypeOrmModule from @nestjs/typeorm to use TypeORM in NestJS.

2fill in blank

medium

Complete the code to configure the TypeORM connection with a PostgreSQL database.

NestJS

TypeOrmModule.forRoot({
  type: '[1]',
  host: 'localhost',
  port: 5432,
  username: 'user',
  password: 'pass',
  database: 'testdb',
  entities: [],
  synchronize: true,
})

Drag options to blanks, or click blank then click option'

Amysql

Bsqlite

Cpostgres

Dmariadb

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'mysql' or 'sqlite' instead of 'postgres'.

Misspelling the database type string.

The type property should be set to postgres for a PostgreSQL database.

3fill in blank

hard

Fix the error in the entities array to include the User entity correctly.

NestJS

import { User } from './user.entity';

TypeOrmModule.forRoot({
  type: 'postgres',
  host: 'localhost',
  port: 5432,
  username: 'user',
  password: 'pass',
  database: 'testdb',
  entities: [[1]],
  synchronize: true,
})

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A'User'

BUser

Cuser

DUserEntity

Attempts:

3 left

💡 Hint

Common Mistakes

Putting the entity name as a string.

Using a variable name that is not imported.

The entities array should contain the class reference User, not a string.

4fill in blank

hard

Fill both blanks to import and register the User entity in the feature module.

NestJS

import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { [1] } from './user.entity';

@Module({
  imports: [TypeOrmModule.forFeature([[2]])],
})
export class UserModule {}

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AUser

BUserEntity

DUserModel

Attempts:

3 left

💡 Hint

Common Mistakes

Using different names for import and registration.

Using names not matching the entity class.

You import the User class and register it in forFeature using the same class name.

5fill in blank

hard

Fill all three blanks to inject the UserRepository and use it in the service constructor.

NestJS

import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { [1] } from './user.entity';

@Injectable()
export class UserService {
  constructor(
    @InjectRepository([2])
    private readonly [3]: Repository<User>,
  ) {}
}

Drag options to blanks, or click blank then click option'

AUser

CuserRepository

DUserRepo

Attempts:

3 left

💡 Hint

Common Mistakes

Using different names for import and injection.

Naming the repository variable with uppercase or inconsistent style.

You import the User entity, inject its repository with @InjectRepository(User), and name the repository variable userRepository.