Database Studio
Inspect PostgreSQL CREATE TABLE and foreign-key constraints and turn a schema into an ER diagram.
PostgreSQL schema
CREATE TABLE, primary keys, inline/table foreign keys and ALTER TABLE ADD CONSTRAINT. No database connection or SQL execution. Procedural SQL and unsupported dump syntax must be removed.
Entity relationships
Mermaid ER source
Usage statistics
Processing happens on your device. When usage statistics are enabled for this tool, actions, settings, entered data and generated results may be sent to the site’s analytics database. You can disable this using Usage statistics below. Normal hosting access logs may still apply.
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Using Database Studio
Inspect PostgreSQL CREATE TABLE and foreign-key constraints and turn a schema into an ER diagram.
Try it
Paste CREATE TABLE statements with inline or table-level foreign keys. ALTER TABLE ADD CONSTRAINT is supported; no SQL is executed.
Processing & privacy
Processing happens on your device. When usage statistics are enabled for this tool, actions, settings, entered data and generated results may be sent to the site’s analytics database. You can disable this using Usage statistics below. Normal hosting access logs may still apply.