Need advice about which tool to choose?Ask the StackShare community!

Sequel

22
21
+ 1
0
Sequelize

853
1.4K
+ 1
142
Add tool

Sequel vs Sequelize: What are the differences?

Introduction

Sequel and Sequelize are both popular Object Relational Mapping (ORM) libraries used in web development. While they serve the same purpose of mapping database tables to object-oriented models, they have some key differences that set them apart.

  1. Database Compatibility: Sequel is a versatile ORM that supports a wide range of database systems, including relational databases like MySQL, PostgreSQL, and SQLite, as well as NoSQL databases like MongoDB. On the other hand, Sequelize is primarily designed for relational databases, with support for MySQL, PostgreSQL, SQLite, and SQL Server.

  2. Language Support: Sequel is written in Ruby and provides a Ruby-like API for working with databases. It is commonly used in Ruby on Rails projects. On the contrary, Sequelize is written in JavaScript and primarily used with Node.js. It integrates seamlessly with Express.js and other Node.js frameworks.

  3. Promises vs. Callbacks: Sequel primarily uses callbacks for asynchronous operations. On the other hand, Sequelize uses Promises, making it easier to handle asynchronous operations using modern JavaScript syntax. This can lead to cleaner and more readable code.

  4. Table Creation: In Sequel, tables are typically defined using a DSL (Domain Specific Language) in the Ruby language. Developers have fine-grained control over the structure and behavior of tables. Sequelize, on the other hand, uses model definitions written in JavaScript, which are then used to automatically generate the corresponding database tables. This provides a more concise and easy-to-use approach for table creation.

  5. Association Handling: Sequel provides a straightforward way to define associations between model classes, such as one-to-one, one-to-many, and many-to-many relationships. Sequelize, on the other hand, handles associations using special functions and decorators. This allows for more flexibility and provides additional features like eager loading.

  6. Maturity and Community: Sequel has been around since 2007 and is a mature and well-established ORM with a large community of users. It has accumulated a wealth of documentation and resources. Sequelize, on the other hand, was released in 2010 and has gained popularity primarily in the Node.js and JavaScript communities. While it may not have the same level of maturity as Sequel, it has an active community and frequent updates.

In Summary, Sequel provides wide database compatibility, uses Ruby-like API, primarily uses callbacks, offers fine-grained table creation control, and has a more mature community. Sequelize, on the other hand, focuses on relational databases, uses JavaScript, primarily uses Promises, offers automatic table generation, provides rich association handling, and has gained popularity in the Node.js and JavaScript communities.

Get Advice from developers at your company using StackShare Enterprise. Sign up for StackShare Enterprise.
Learn More
Pros of Sequel
Pros of Sequelize
    Be the first to leave a pro
    • 42
      Good ORM for node.js
    • 31
      Easy setup
    • 21
      Support MySQL & MariaDB, PostgreSQL, MSSQL, Sqlite
    • 14
      Open source
    • 13
      Free
    • 11
      Promise Based
    • 4
      Recommend for mongoose users
    • 3
      Typescript
    • 3
      Atrocious documentation, buggy, issues closed by bots

    Sign up to add or upvote prosMake informed product decisions

    Cons of Sequel
    Cons of Sequelize
      Be the first to leave a con
      • 30
        Docs are awful
      • 10
        Relations can be confusing

      Sign up to add or upvote consMake informed product decisions

      What is Sequel?

      It is a simple, flexible, and powerful SQL database access toolkit for Ruby. It includes a comprehensive ORM layer for mapping records to Ruby objects and handling associated records.

      What is Sequelize?

      Sequelize is a promise-based ORM for Node.js and io.js. It supports the dialects PostgreSQL, MySQL, MariaDB, SQLite and MSSQL and features solid transaction support, relations, read replication and more.

      Need advice about which tool to choose?Ask the StackShare community!

      What companies use Sequel?
      What companies use Sequelize?
      See which teams inside your own company are using Sequel or Sequelize.
      Sign up for StackShare EnterpriseLearn More

      Sign up to get full access to all the companiesMake informed product decisions

      What tools integrate with Sequel?
      What tools integrate with Sequelize?

      Sign up to get full access to all the tool integrationsMake informed product decisions

      What are some alternatives to Sequel and Sequelize?
      Marvel
      A super simple tool that turns any image (including PSDs) or sketch into interactive prototypes for any device. Powered by Dropbox.
      Python
      Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
      Slick
      It is a modern database query and access library for Scala. It allows you to work with stored data almost as if you were using Scala collections while at the same time giving you full control over when a database access happens and which data is transferred.
      Spring Data
      It makes it easy to use data access technologies, relational and non-relational databases, map-reduce frameworks, and cloud-based data services. This is an umbrella project which contains many subprojects that are specific to a given database.
      Dataform
      Dataform helps you manage all data processes in your cloud data warehouse. Publish tables, write data tests and automate complex SQL workflows in a few minutes, so you can spend more time on analytics and less time managing infrastructure.
      See all alternatives