Practical guides on ER diagrams, connection strings, and the real schemas behind Supabase, Stripe, and modern e-commerce — all grounded in live PostgreSQL introspection.
The 11-table PostgreSQL schema that powers Shopify and WooCommerce — customers, products, carts, orders, payments, and reviews with relationships.
Model Stripe's billing objects as PostgreSQL tables — customers, products, prices, subscriptions, invoices, and payment intents with foreign keys.
What an ER diagram actually shows — entities, attributes, relationships, and cardinality — and how to read one in under 5 minutes.
What lives in Supabase's auth schema — users, identities, sessions, refresh_tokens — and how they relate when you introspect a live database.
Every piece of a PostgreSQL connection string, broken down, plus why Supabase's transaction pooler (port 6543) is the gotcha most tutorials skip.
Compare five practical ways to turn a Postgres database into a readable schema diagram — from psql to a live connection string — and pick the one that fits.
Paste a PostgreSQL connection string and get an interactive ER diagram in under 10 seconds. No signup required.
Try it free →