Difference between PouchDB and PostgreSQL Last Updated : 17 Jan, 2023 Comments Improve Suggest changes Like Article Like Report 1. PouchDB : PouchDB is an open-source, NoSQL, in-line database. It is designed after CouchDB, which is a NoSQL database that powers npm. It is written in JavaScript language. There is no need to perform queries over the network as PouchDB resides inside the browser and thus it makes it extremely faster. It stores data locally using IndexedDB and WebSQL in the browser. 2. PostgreSQL : PostgreSQL is a powerful, open-source Object-relational database system. It provides good performance with low maintenance efforts because of its high stability. PostgreSQL was the first DBMS that implemented multi-version concurrency control (MVCC) feature. Difference between PouchDB and PostgreSQL SR.NOPouchDBPostgreSQL1It is developed by Apache Software Foundation.It is developed by PostgreSQL Global Development Group .2It was released in 2012.It was released in 1989.3It is written using Javascript language.It is written in C language..4The primary database model for PouchDB is Document Store.The primary database model for PostgreSQL is Relational DBMS.5PouchDB server operating systems are server-less, requires a JavaScript environment (browser, Node.js).PostgreSQL server operating systems are FreeBSD, HP-UX, Linux, NetBSD, OpenBSD, OS X, Solaris, Unix and Windows.6It does not supports predefined data types.It supports predefined data types such as string, integer, float or date.7In PouchDB, partitioning can be done by Sharding.In PostgreSQL, partitioning can be done by range, list and hash.8It does not supports SQL query language.It supports SQL query language. 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