dbsketch 0.2.1

Schema-to-diagram compiler for DBML and SQL — ASCII/Unicode ERDs from the command line

dbsketch

ASCII/Unicode ERD diagrams from DBML or SQL schemas — designed to look clean in READMEs, docstrings, and LLM prompts.

pip install dbsketch
dbsketch schema.sql
dbsketch schema.dbml

No Node.js installation required — a suitable runtime is downloaded automatically on first use.

Usage

dbsketch [options] <file>

Options:
  --no-types      Hide column types
  --no-columns    Show table names only
  --ascii         Use ASCII box-drawing (default: Unicode)
  --sql           Force SQL input mode (auto-detected from .sql extension)

Example

dbsketch schema.sql > docs/erd.txt

Web playground

Try it in the browser at dbsketch.dev.

More

Full documentation and source at github.com/jacobmpeters/dbsketch.