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Prisma vs Sequelize: What are the differences?

Both Prisma and Sequelize are popular object-relational mapping (ORM) libraries, but they have some key differences in terms of their features and usage.

  1. Querying Language: Prisma uses its own query language called Prisma Query Language (PQL), which offers a more modern and intuitive syntax for database queries. On the other hand, Sequelize uses a more traditional SQL-based querying approach.

  2. Database Support: Prisma supports a wider range of databases including MySQL, PostgreSQL, and SQLite, whereas Sequelize offers support for a larger number of databases including MySQL, PostgreSQL, SQLite, Microsoft SQL Server, and Oracle.

  3. Schema Migrations: Prisma provides built-in migration capabilities, allowing you to easily manage and update your database schema over time. Sequelize, however, does not have built-in migration features and requires the use of additional libraries or manual approaches for managing schema changes.

  4. Type Safety: Prisma provides strong typing and generates a statically-typed client for seamless integration with popular programming languages like TypeScript. Sequelize, on the other hand, doesn't offer strong typing out of the box, leading to potential type-related errors.

  5. Performance: Prisma leverages the power of database-specific connectors to optimize query performance, resulting in faster and more efficient database operations. Sequelize delivers good performance but may not be as optimized as Prisma, especially for complex queries or high load scenarios.

  6. Community and Ecosystem: Prisma has gained significant popularity recently and has a growing community of developers actively contributing to its ecosystem. Sequelize, on the other hand, has been around for a longer time and has a large community and mature ecosystem with extensive documentation, plugins, and community support.

In summary, Prisma offers a more modern querying language, better type safety, built-in schema migration capabilities, and optimized performance for specific databases. Sequelize, on the other hand, supports a larger number of databases and has a more mature ecosystem. The choice between the two depends on specific project requirements and preferences.

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Pros of Prisma
Pros of Sequelize
  • 12
    Type-safe database access
  • 10
    Open Source
  • 8
    Auto-generated query builder
  • 6
    Supports multible database systems
  • 6
    Increases confidence during development
  • 4
    Built specifically for Postgres and TypeScript
  • 4
    Productive application development
  • 2
    Supports multible RDBMSs
  • 2
    Robust migrations system
  • 42
    Good ORM for node.js
  • 31
    Easy setup
  • 21
    Support MySQL & MariaDB, PostgreSQL, MSSQL, Sqlite
  • 14
    Open source
  • 13
  • 12
    Promise Based
  • 4
    Recommend for mongoose users
  • 3
  • 3
    Atrocious documentation, buggy, issues closed by bots

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Cons of Prisma
Cons of Sequelize
  • 2
    Doesn't support downward/back migrations
  • 1
    Doesn't support JSONB
  • 1
    Do not support JSONB
  • 1
    Mutation of JSON is really confusing
  • 1
    Do not support JSONB
  • 30
    Docs are awful
  • 10
    Relations can be confusing

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What is Prisma?

Prisma is an open-source database toolkit. It replaces traditional ORMs and makes database access easy with an auto-generated query builder for TypeScript & Node.js.

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.

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What companies use Prisma?
What companies use Sequelize?
See which teams inside your own company are using Prisma or Sequelize.
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What tools integrate with Prisma?
What tools integrate with Sequelize?

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