PostgreSQL vs. MongoDB vs. IBM DB2

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What is PostgreSQL?

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions.

What is MongoDB?

MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema. MongoDB was also designed for high availability and scalability, with built-in replication and auto-sharding.

What is IBM DB2?

DB2 for Linux, UNIX, and Windows is optimized to deliver industry-leading performance across multiple workloads, while lowering administration, storage, development, and server costs.
Why do developers choose PostgreSQL?
Why do you like PostgreSQL?

Why do developers choose MongoDB?
Why do you like MongoDB?

Why do developers choose IBM DB2?
Why do you like IBM DB2?

What are the cons of using PostgreSQL?
Downsides of PostgreSQL?

What are the cons of using MongoDB?
Downsides of MongoDB?

What are the cons of using IBM DB2?
No Cons submitted yet for IBM DB2
Downsides of IBM DB2?

Want advice about which of these to choose?Ask the StackShare community!

How much does PostgreSQL cost?
How much does MongoDB cost?
MongoDB Pricing
How much does IBM DB2 cost?
What companies use PostgreSQL?
3352 companies on StackShare use PostgreSQL
What companies use MongoDB?
2747 companies on StackShare use MongoDB
What companies use IBM DB2?
14 companies on StackShare use IBM DB2
What tools integrate with PostgreSQL?
94 tools on StackShare integrate with PostgreSQL
What tools integrate with MongoDB?
45 tools on StackShare integrate with MongoDB
What tools integrate with IBM DB2?
14 tools on StackShare integrate with IBM DB2

What are some alternatives to PostgreSQL, MongoDB, and IBM DB2?

  • MySQL - The world's most popular open source database
  • MariaDB - An enhanced, drop-in replacement for MySQL
  • Microsoft SQL Server - A relational database management system developed by Microsoft
  • SQLite - A software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine

See all alternatives to PostgreSQL

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