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project-sales-optimization-sql
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-- 📊 Proyecto 3: Análisis de Rendimiento de Ventas (SQL & BI)
-- Este archivo contiene consultas SQL clave para el análisis de los datos de ventas.
-- 1. Cálculo del Ingreso Total y Margen de Beneficio por Región
SELECT
Region,
SUM(Revenue) AS Total_Revenue,
SUM(Profit) AS Total_Profit,
(SUM(Profit) * 100.0 / SUM(Revenue)) AS Profit_Margin_Percentage
FROM
sales_data
GROUP BY
Region
ORDER BY
Total_Profit DESC;
-- 2. Identificación de los 5 Vendedores con Mayor Ingreso
SELECT
SalesPersonID,
SUM(Revenue) AS Total_Revenue
FROM
sales_data
GROUP BY
SalesPersonID
ORDER BY
Total_Revenue DESC
LIMIT 5;
-- 3. Análisis de la Distribución de Clientes por Tipo de Producto
SELECT
ProductCategory,
CustomerType,
COUNT(SaleID) AS Number_of_Sales
FROM
sales_data
GROUP BY
ProductCategory, CustomerType
ORDER BY
ProductCategory, Number_of_Sales DESC;
-- 4. Tendencia de Ventas Mensuales (para visualización en BI)
SELECT
strftime('%Y-%m', SaleDate) AS Sales_Month,
SUM(Revenue) AS Monthly_Revenue
FROM
sales_data
GROUP BY
Sales_Month
ORDER BY
Sales_Month;
-- 5. Consulta para identificar productos con bajo margen de beneficio
SELECT
ProductCategory,
AVG(Revenue) AS Avg_Revenue,
AVG(Cost) AS Avg_Cost,
AVG(Profit) AS Avg_Profit
FROM
sales_data
GROUP BY
ProductCategory
HAVING
AVG(Profit) < 1000; -- Asumiendo que un beneficio promedio menor a 1000 es bajo
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