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Database Schema · ERD · Referral Marketing

Customer Referral Program Schema

Type Entity-Relationship Diagram (ERD)Standard Chen 1976 / Everest 1976 (crow's foot)Engine schematex-erdUpdated 8/21/2026
Customer Referral Program Schema
Drawing preview
The scenario

A referral application needs to track customer referrals, reward coupons, and order conversions for a coupon-based incentive program.

What is in this drawing

Read the decisions behind it.

01

Modeled referral programs separately to support multiple active campaigns with different reward rules.

02

Linked coupons to both referral and customer to record which party received the reward.

03

Attributed orders to referrals to measure conversion and reward eligibility.

Use this schema as a starting point for referral or loyalty features in e-commerce, SaaS, or marketplace platforms that issue coupon rewards for successful referrals.

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