1. Marketplace core entities

Model the core marketplace entities and relationships required for listings, buyer activity, seller operations, and transactions.

Constraints

Support listing revisions and transaction history without overcomplicating the first-pass interview explanation

Brainstorming scratchpad

Practice studio

Ctrl/Cmd + C copyCtrl/Cmd + V pasteCtrl/Cmd + Z undoDelete remove
68%

AI review panel

Validate the ERD objects to inspect keys, names, and cardinality coverage.