Node.js is an open-source JavaScript runtime environment, while PostgreSQL is a free relational database management system. The `pg` package simplifies interactions between them by providing a lightweight API, making it the go-to choice for fullstack developers seeking to integrate these technologies.
PostgreSQL is a powerful, ACID-compliant RDBMS for building scalable, secure apps, offering advanced SQL (window functions, CTEs, lateral joins), robust security (RLS, SSL/TLS, MFA), replication and pooling for high availability, and rich extensibility (custom types/functions). From e-commerce inventory to BI/analytics with full-text and geospatial, it excels for startups to enterprises.
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