---
type: Table
title: Customers
description: One row per registered customer, keyed by customer_id.
resource: https://console.example.com/data/sales/customers
tags: [sales, customers]
timestamp: 2026-01-01T00:00:00Z
---

Part of the [sales dataset](/datasets/sales.md). Referenced by
[orders](/tables/orders.md) via `customer_id`.

# Schema
| Column | Type | Description |
|--------|------|-------------|
| `customer_id` | STRING | Globally unique customer identifier. |
| `signup_channel` | STRING | Acquisition channel at signup. |
| `created_at` | TIMESTAMP | When the customer registered. |
