Sequelize is a term used in web development that refers to an Object-Relational Mapping (ORM) library for Node.js. The word is spelled with a unique combination of letters that can be represented in IPA phonetic transcription as /sɛkwɛlʌɪz/. The word starts with the /s/ sound, followed by the /ɛ/ sound as in "set". This is followed by the /kw/ sound, produced by combining the /k/ and /w/ sounds. The word ends with the /ʌɪz/ sound, as in "eyes".
Sequelize is an open-source object-relational mapping (ORM) library for Node.js that simplifies database management by providing a way to interact with databases using JavaScript. It allows developers to work with databases using an object-oriented approach, making it easier to query, insert, update, and delete data without having to write complex SQL queries directly.
Sequelize supports various databases such as MySQL, PostgreSQL, SQLite, and Microsoft SQL Server, making it a versatile choice for different projects. It provides a higher-level abstraction layer over these databases, allowing developers to define models that correspond to database tables. These models represent the structure and behavior of the database, and Sequelize seamlessly handles the translation of JavaScript operations into SQL statements to interact with the database.
With Sequelize, developers can easily create and modify database schemas, perform advanced queries using a query builder or raw SQL, manage database relationships, and handle transactions. It supports features like eager loading, associations, validations, and hooks that enhance productivity and maintainability.
The library also includes mechanisms to handle migrations, enabling developers to manage and version the database schema over time. This makes it easier to deploy and update databases without manually altering the schema.
Overall, Sequelize provides a powerful and efficient solution for working with databases in Node.js, allowing developers to focus on the application logic rather than dealing with the complexities of raw SQL statements and database connections.
The word "sequelize" is derived from the word "sequel". "Sequel" originated from the Latin word "sequēla", which means a following or succession. The suffix "-ize" is added to the word "sequel" to create the verb form, indicating the act of making something into a sequel or following. Therefore, "sequelize" refers to the process of creating a sequel or following in a particular context or domain. In computer programming, "sequelize" specifically refers to an Object-Relational Mapping (ORM) library for Node.js that provides a way to interact with databases using JavaScript, particularly with PostgreSQL, MySQL, and SQLite.