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sales_analytics

Business
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Database schema and business logic for sales data analysis including customers, orders, and revenue.

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Source SKILL.md: https://github.com/alibaba/spring-ai-alibaba/blob/HEAD/examples/multiagent-patterns/skills/src/main/resources/skills/sales_analytics/SKILL.md

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Sales Analytics Schema

Tables

customers

  • customer_id (PRIMARY KEY)
  • name
  • email
  • signup_date
  • status (active/inactive)
  • customer_tier (bronze/silver/gold/platinum)

orders

  • order_id (PRIMARY KEY)
  • customer_id (FOREIGN KEY -> customers)
  • order_date
  • status (pending/completed/cancelled/refunded)
  • total_amount
  • sales_region (north/south/east/west)

order_items

  • item_id (PRIMARY KEY)
  • order_id (FOREIGN KEY -> orders)
  • product_id
  • quantity
  • unit_price
  • discount_percent

Business Logic

Active customers: status = 'active' AND signup_date <= CURRENT_DATE - INTERVAL '90 days'

Revenue calculation: Only count orders with status = 'completed'. Use total_amount from orders table.

High-value orders: Orders with total_amount > 1000

Example Query

-- Get top 10 customers by revenue in the last quarter
SELECT c.customer_id, c.name, c.customer_tier, SUM(o.total_amount) as total_revenue
FROM customers c
JOIN orders o ON c.customer_id = o.customer_id
WHERE o.status = 'completed' AND o.order_date >= CURRENT_DATE - INTERVAL '3 months'
GROUP BY c.customer_id, c.name, c.customer_tier
ORDER BY total_revenue DESC LIMIT 10;