Add SQL queries for sales analysis

sales_analysis.sql

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+/* =========================================
+   AdventureWorks Internet Sales Analysis
+   SQL Project
+   ========================================= */
+
+
+/* 1) Total Internet Sales Revenue */
+SELECT 
+    SUM(SalesAmount) AS Total_Internet_Sales
+FROM dbo.FactInternetSales;
+
+
+/* 2) Top 10 Revenue Generating Products */
+SELECT TOP 10
+    p.EnglishProductName,
+    SUM(f.SalesAmount) AS TotalSales
+FROM dbo.FactInternetSales f
+JOIN dbo.DimProduct p
+    ON f.ProductKey = p.ProductKey
+GROUP BY p.EnglishProductName
+ORDER BY TotalSales DESC;
+
+
+/* 3️) Sales Trend by Year */
+SELECT 
+    d.CalendarYear,
+    SUM(f.SalesAmount) AS TotalSales
+FROM dbo.FactInternetSales f
+JOIN dbo.DimDate d
+    ON f.OrderDateKey = d.DateKey
+GROUP BY d.CalendarYear
+ORDER BY d.CalendarYear;
+
+
+/* 4️) Top 10 Customers by Revenue */
+SELECT TOP 10
+    c.FirstName,
+    c.LastName,
+    SUM(f.SalesAmount) AS CustomerSales
+FROM dbo.FactInternetSales f
+JOIN dbo.DimCustomer c
+    ON f.CustomerKey = c.CustomerKey
+GROUP BY c.FirstName, c.LastName
+ORDER BY CustomerSales DESC;
+
+
+/* 5️) Sales by Country */
+SELECT 
+    g.EnglishCountryRegionName,
+    SUM(f.SalesAmount) AS TotalSales
+FROM dbo.FactInternetSales f
+JOIN dbo.DimCustomer c
+    ON f.CustomerKey = c.CustomerKey
+JOIN dbo.DimGeography g
+    ON c.GeographyKey = g.GeographyKey
+GROUP BY g.EnglishCountryRegionName
+ORDER BY TotalSales DESC;
+
+
+/* 6️) Sales by Product Category */
+SELECT 
+    pc.EnglishProductCategoryName,
+    SUM(f.SalesAmount) AS TotalSales
+FROM dbo.FactInternetSales f
+JOIN dbo.DimProduct p
+    ON f.ProductKey = p.ProductKey
+JOIN dbo.DimProductSubcategory ps
+    ON p.ProductSubcategoryKey = ps.ProductSubcategoryKey
+JOIN dbo.DimProductCategory pc
+    ON ps.ProductCategoryKey = pc.ProductCategoryKey
+GROUP BY pc.EnglishProductCategoryName
+ORDER BY TotalSales DESC;
+
+
+/* 7️) Internet Sales in Year 2013 */
+SELECT 
+    SUM(f.SalesAmount) AS Sales_2013
+FROM dbo.FactInternetSales f
+JOIN dbo.DimDate d
+    ON f.OrderDateKey = d.DateKey
+WHERE d.CalendarYear = 2013;
+
+
+/* 8️) Average Order Value */
+SELECT 
+    AVG(SalesAmount) AS Avg_Order_Value
+FROM dbo.FactInternetSales;
+
+
+/* 9️) Total Quantity Sold by Product */
+SELECT TOP 10
+    p.EnglishProductName,
+    SUM(f.OrderQuantity) AS TotalQuantitySold
+FROM dbo.FactInternetSales f
+JOIN dbo.DimProduct p
+    ON f.ProductKey = p.ProductKey
+GROUP BY p.EnglishProductName
+ORDER BY TotalQuantitySold DESC;
+
+
+/* 10) Monthly Sales Trend */
+SELECT 
+    d.CalendarYear,
+    d.MonthNumberOfYear,
+    SUM(f.SalesAmount) AS MonthlySales
+FROM dbo.FactInternetSales f
+JOIN dbo.DimDate d
+    ON f.OrderDateKey = d.DateKey
+GROUP BY d.CalendarYear, d.MonthNumberOfYear
+ORDER BY d.CalendarYear, d.MonthNumberOfYear;