7 templates
ERD templates
Pure entity-relationship DSL. `[Person]` then `*name` for keys, `firstName` for fields, `Person *--1 Company {label: "works at"}` for relations. Renders through Graphviz internally, so layout is rock-solid even for 50-entity schemas. The cleanest text-to-ERD pipeline available.
Authors → Books ER
Tiny example showing every ERD primitive — entities, primary keys, fields with types, a labelled relation.
Data & SchemaLibrary catalogue
Books, authors, loans and members. Demonstrates many-to-many through a join entity.
Data & SchemaBlog ER (posts ↔ tags)
Authors publish posts, posts are tagged through a join entity, comments are threaded.
Data & SchemaLibrary Loans (ERD)
Members borrowing books via loans.
Data & SchemaSchool Enrolments (ERD)
Students enrolling on courses.
Data & SchemaHospital Appointments (ERD)
Patients, doctors and appointments.
Data & SchemaBanking Accounts (ERD)
Customers, accounts and transactions.
Data & Schema