Junior — Middle
Can you name popular libraries for object-relational mapping (ORM) and describe their features?
sobes.tech AI
Answer from AI
Popular ORM libraries in Node.js include:
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Sequelize — supports multiple databases (PostgreSQL, MySQL, SQLite, MSSQL). Allows defining models with classes or objects, supports migrations, associations, and transactions.
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TypeORM — focused on TypeScript, supports Active Record and Data Mapper patterns. Supports many DBMS, suitable for complex projects with typing.
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Objection.js — built on top of SQL query builder Knex.js, supports complex queries and relations between models, flexible and lightweight.
Each has its features: Sequelize is easier for beginners, TypeORM is better suited for TypeScript projects, Objection.js offers more control over SQL queries.