Sequelize vs peewee: What are the differences?

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1. Connection to Database: One key difference between Sequelize and Peewee is that Sequelize connects to databases such as MySQL, PostgreSQL, SQLite, and MariaDB, while Peewee primarily focuses on SQLite and smaller databases.

2. ORM Features: Sequelize offers advanced Object-Relational Mapping (ORM) features like associations, hooks, and eager loading, while Peewee provides a simpler ORM without as many advanced features, making it easier to use for basic database operations.

3. Query Syntax: Sequelize uses a query syntax that closely resembles SQL, making it easier for developers familiar with SQL to work with it, whereas Peewee has a more Pythonic querying syntax that may be preferred by Python developers.

4. Promises vs Callbacks: Sequelize primarily uses Promises for handling asynchronous operations, leading to cleaner and more organized code, while Peewee relies on callbacks, which can sometimes make code harder to read and maintain.

5. Community and Ecosystem: Sequelize has a larger and more active community, with a wider range of plugins and extensions available for developers to use, compared to Peewee, which has a smaller community and less extensive ecosystem.

6. Documentation Quality: Sequelize has more comprehensive and detailed documentation, making it easier for developers to understand and use its features effectively, while Peewee's documentation is relatively sparse and may require more trial and error for new users to grasp.

In Summary, Sequelize offers more database compatibility, advanced ORM features, and better documentation, while Peewee focuses on simplicity, Pythonic syntax, and may be more suitable for smaller projects or developers with a preference for less complexity.