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Generated on Jun 20, 2024 via pnpm

sequelize 6.33.0

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.
Package summary
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0
issues
2
licenses
20
MIT
1
ISC
Package created
3 May 2011
Version published
8 Sep 2023
Maintainers
8
Total deps
21
Direct deps
16
License
MIT

Issues

0
This package has no issues

Licenses

MIT License

Permissive
OSI Approved
This is a human-readable summary of (and not a substitute for) the license. Disclaimer.
Can
commercial-use
modify
distribute
sublicense
private-use
Cannot
hold-liable
Must
include-copyright
include-license
20 Packages, Including:
@types/debug@4.1.12
@types/ms@0.7.34
@types/node@20.14.6
@types/validator@13.12.0
debug@4.3.5
dottie@2.0.6
inflection@1.13.4
lodash@4.17.21
moment-timezone@0.5.45
moment@2.30.1
ms@2.1.2
pg-connection-string@2.6.4
retry-as-promised@7.0.4
sequelize-pool@7.1.0
sequelize@6.33.0
toposort-class@1.0.1
undici-types@5.26.5
uuid@8.3.2
validator@13.12.0
wkx@0.5.0

ISC License

Permissive
OSI Approved
This is a human-readable summary of (and not a substitute for) the license. Disclaimer.
Can
commercial-use
modify
distribute
Cannot
hold-liable
Must
include-copyright
include-license
1 Packages, Including:
semver@7.6.2
Disclaimer

This deed highlights only some of the key features and terms of the actual license. It is not a license and has no legal value. You should carefully review all of the terms and conditions of the actual license before using the licensed material.

Sandworm is not a law firm and does not provide legal services. Distributing, displaying, or linking to this deed or the license that it summarizes does not create a lawyer-client or any other relationship.

Direct Dependencies

16
All Dependencies CSV
ⓘ This is a list of sequelize 's direct dependencies. Data on all dependencies, including transitive ones, is available via CSV download.
NameVersionSizeLicenseTypeVulnerabilities
@types/debug4.1.122.12 kBMIT
prod
@types/validator13.12.070.7 kBMIT
prod
debug4.3.541.44 kBMIT
prod
dottie2.0.63.85 kBMIT
prod
inflection1.13.411.51 kBMIT
prod
lodash4.17.21311.49 kBMIT
prod
moment-timezone0.5.45234.53 kBMIT
prod
moment2.30.1698.76 kBMIT
prod
pg-connection-string2.6.48.88 kBMIT
prod
retry-as-promised7.0.49.17 kBMIT
prod
semver7.6.293.19 kBISC
prod
sequelize-pool7.1.010.39 kBMIT
prod
toposort-class1.0.17.27 kBMIT
prod
uuid8.3.227.32 kBMIT
prod
validator13.12.0743.08 kBMIT
prod
wkx0.5.054.6 kBMIT
prod

Visualizations

Frequently Asked Questions

What does sequelize do?

Sequelize is a promise-based Node.js ORM tool that supports various databases such as Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift, and Snowflake’s Data Cloud. It makes it easy for developers to interact with their databases in a simplified, more readable way. Essential features it offers include firm transaction support, relations, eager and lazy loading, read replication, and much more. Sequelize's goal is to provide a robust and easy-to-use tool easing data manipulation in Node.js applications.

How do you use sequelize?

To use Sequelize in your Node.js project, you need to install it first using npm. You can do this by running the command npm install --save sequelize. Once installed, you can require it in your file with const Sequelize = require('sequelize');. To establish a connection with the database, you can use the following code snippet:

const sequelize = new Sequelize('database', 'username', 'password', {
  host: 'localhost',
  dialect: /* one of 'mysql' | 'mariadb' | 'postgres' | 'mssql' */
});

To check whether the connection has been established use:

try {
  await sequelize.authenticate();
  console.log('Connection has been established successfully.');
} catch (error) {
  console.error('Unable to connect to the database:', error);
}

To define a model you can use sequelize.define('modelName', attributes, options). For instance:

const User = sequelize.define('User', {
  // Model attributes are defined here
  firstName: {
    type: DataTypes.STRING,
    allowNull: false
  },
  lastName: {
    type: DataTypes.STRING
    // allowNull defaults to true
  }
}, {
  // Other model options go here
});

After defining models, you can perform various ORM operations such as create, find, update, etc.

Where are the sequelize docs?

The Sequelize official documentation is a comprehensive source for any Sequelize details you might require. You can find everything from getting started guides and code examples to version upgrade information and advanced topic discussions. The official Sequelize documentation can be accessed at: https://sequelize.org.