[Solved] Identify the error in this entity definition: @Entity() export class Product { @PrimaryGeneratedColumn() id: number; @Column({ type: 'varchar' }) price: number; } | NestJS

NestJS - Database with TypeORM

Identify the error in this entity definition:

@Entity()
export class Product {
  @PrimaryGeneratedColumn()
  id: number;

  @Column({ type: 'varchar' })
  price: number;
}

AThe class name should be lowercase.

BThe price column type should be numeric, not varchar.

CThe @Entity decorator is missing parentheses.

DThe id property should not use PrimaryGeneratedColumn.

Step-by-Step Solution

Solution:

Step 1: Check the type of the price property
The property price is a number but the column type is set to 'varchar', which is for strings.
Step 2: Correct column type for numeric values
For numbers, the column type should be 'int', 'float', or 'decimal', not 'varchar'.
Final Answer:
The price column type should be numeric, not varchar. -> Option B
Quick Check:
Matching property and column types [OK]

Quick Trick: Match property types with correct column types [OK]

Common Mistakes:

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