No-Code Database Schema Prompt

Design a database schema for my no-code app.

Tool: [Airtable / Notion / Glide / Softr]
What the app does: [describe]
Main objects: [list — customers, orders, products, etc.]

For each object, what info do we track? [describe]

Please design:
1. Tables (one per object)
2. Fields with: name, type, and why needed
3. Relationships between tables
4. Computed fields (rollups, formulas)
5. Gotchas to watch for in [my tool] for this schema