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Tech riderRev. 3 Oct 2026

pgquarrel

Ch 096.7of 19 Database Schema Comparison Tools
  1. 1Runs onLinux, self-hosted, Windows
  2. 2CostsFree plan
  3. 3Migration scriptsYes
  4. 4Database scopesingle-engine
  5. 5Supported platformscross-platform
5 lines stated Written from the maker's own pages: github.com
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Overview

pgquarrel is ranked #9 of 19 in database schema comparison tools on Specifiction. It runs on Linux, Self-hosted, Windows. There is a free plan.

pgquarrel plans and pricing

All plans
pgquarrel Free BSD-3-Clause licensed software github.com · 3 Oct 2026

Compared on database schema comparison tools

Free plan
Yesgithub.com
Migration scripts
Yesgithub.com
Database scope
single-enginegithub.com
Supported platforms
cross-platformgithub.com

Facts

Purpose
pgquarrel compares PostgreSQL database schemas (DDL) and outputs the differences as commands to make the target schema match the source.github.com · 3 Oct 2026
Deployment use
The README describes deploying database changes to testing, staging, or production environments as its main use case.github.com · 3 Oct 2026
Direct connections
It connects directly to PostgreSQL servers and reads catalog metadata rather than relying on tools such as pg_dump.github.com · 3 Oct 2026
Data scope
The tool does not manipulate table data with INSERT, UPDATE, DELETE, or COPY operations.github.com · 3 Oct 2026
Selective comparison
It supports filters and options to compare selected object types and include or exclude schemas by pattern.github.com · 3 Oct 2026
SQL output
Changes are output to stdout by default, with options to write to a file, print a summary, or output changes as a single transaction.github.com · 3 Oct 2026
PostgreSQL object coverage
The README lists support for many PostgreSQL objects, with support marked partial for numerous types and complete for others.github.com · 3 Oct 2026
Notable omissions
The README identifies inheritance and roles as main absences and says pgquarrel does not support all PostgreSQL objects.github.com · 3 Oct 2026
Version compatibility
The generated file may not work as expected when the source PostgreSQL version is newer than the target version.github.com · 3 Oct 2026
Platforms
The README says it was tested on Linux, FreeBSD, and Windows, and provides installation instructions for UNIX based operating systems and Windows.github.com · 3 Oct 2026
Distribution
pgquarrel is distributed as source code through GitHub and can also be obtained by cloning its Git repository.github.com · 3 Oct 2026
License
The repository identifies the software as BSD-3-Clause licensed.github.com · 3 Oct 2026
Release
The releases page lists version 0.7.0 as the latest release and notes fixes to its Windows, Debian/Ubuntu, and FreeBSD builds.github.com · 3 Oct 2026
Support channel
The repository has a public GitHub issues page for bug reports and feature requests.github.com · 3 Oct 2026

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