Sequelize serves as a contemporary ORM for Node.js and TypeScript, compatible with various databases including Oracle, Postgres, MySQL, MariaDB, SQLite, and SQL Server. It boasts robust features such as transaction support, model relationships, eager and lazy loading, and read replication. Users can easily define models and optionally utilize automatic synchronization with the database. By establishing associations between models, it allows Sequelize to manage complex operations seamlessly. Instead of permanently deleting records, it offers the option to mark them as deleted. Additionally, features like transactions, migrations, strong typing, JSON querying, and lifecycle events (hooks) enhance its functionality. As a promise-based ORM, Sequelize facilitates connections to popular databases such as Amazon Redshift and Snowflake’s Data Cloud, requiring the creation of a Sequelize instance to initiate the connection process. Moreover, its flexibility makes it an excellent choice for developers looking to streamline database interactions efficiently.