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Mongoose

Backend

Mongoose is the leading ODM (Object Document Mapper) for MongoDB in Node.js with schema-based modeling.

Mongoose brings structure to schema-free MongoDB through defined models, validation and middleware hooks. SW Business Solutions uses Mongoose in all Node.js projects with MongoDB as the database layer.

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Why Mongoose?

Schema-based validation for MongoDB documents
Pre and post middleware hooks
Type-safe models with TypeScript
Powerful query API with chaining
Built-in pagination and population

Use Cases for Mongoose

Database Modeling

Definition of type-safe schemas for all database objects with built-in validation and default values.

Relational Linking

Population of references between collections for relational queries in MongoDB.

Data Validation

Automatic validation of all incoming data before saving to the database.

Middleware and Hooks

Pre-save hooks for password hashing, timestamps and automatic calculations before saving.

Frequently Asked Questions about Mongoose

Why Mongoose instead of native MongoDB driver?
Mongoose offers schema validation, type-safe models and an elegant query API that surpasses the native driver for most use cases.
How does Mongoose work with NestJS?
The @nestjs/mongoose package offers first-class integration with decorators for schema definition.
Does Mongoose support transactions?
Yes, since MongoDB 4.0 and Mongoose 5.2, multi-document transactions are supported.
How does Mongoose handle database migrations?
Mongoose itself does not offer a migration solution, so SW Business Solutions uses migrate-mongoose or manual migration scripts.

Quick Facts

CategoryBackend
ComplexityNiedrig
PopularityHoch
Release Year2010
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