INTELLCLUSTER · COMPARE

PostgreSQL vs MongoDB vs SQLite — Which Database for a New Project

The three most common starting points for a new project. Each has a clear sweet spot — and a clear failure mode.

FIG 1 — THE OPTIONS
01
PostgreSQL
02
MongoDB
03
SQLite
FIG 2 — SUMMARY
  • PostgreSQL is the default — SQL, JSON support, best tooling, scales far.
  • SQLite is underrated for single-server apps; simplest possible ops, excellent perf.
  • MongoDB fits event/log-shaped data but most 'I need schemaless' use cases are better on Postgres JSONB.
FIG 3 — DEFAULT CRITERIA & WEIGHTS
Query flexibility (SQL/analytics)
weight 9/10
Operational simplicity
weight 8/10
Schema evolution
weight 7/10
Ecosystem / tooling
weight 7/10

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