Pizza Sales and Performance Analytics

End-to-end data analysis of a pizza chain’s sales to drive revenue growth and operational efficiency.

Problem Statement

The pizza chain had large volumes of transactional sales data but lacked a consolidated view of customer behavior, product performance, and sales patterns. Without clear insights, it was difficult for management to optimize inventory, identify best-selling products, and align marketing with peak demand periods.

Technical Solution

    • Step 1 – Architecture & Approach: Built an integrated pipeline where SQL Server was used as the data source and Python handled the extraction, transformation, and visualization. Queries were structured to capture time-based trends, product-level sales, and category-level performance.
    • Step 2 – Key Algorithms, Libraries & Highlights:SQL: Advanced queries using joins, CTEs, subqueries, and aggregations to analyze revenue, customer preferences, and ingredient usage. • Python Libraries: pandas (ETL & transformations), matplotlib & seaborn (visualizations). • Highlights: Generated insights on peak order times, high-performing categories, and seasonal demand.
    • Step 3 – Deployment & Reporting: • Reports were generated as Python-driven charts and Jupyter notebooks. • Final outputs included revenue trends, top products, and customer segmentation. • Findings shared with business teams to support marketing, operations, and menu optimization.

Results & Impact

Identified top 10 best-selling pizzas contributing ~60% of total revenue. • Pinpointed peak sales hours (12–2 PM & 6–9 PM) for targeted marketing. • Improved decision-making for inventory planning and promotions, reducing waste and boosting margins.

Technologies Used

SQL Server (Joins, CTEs, subqueries, aggregations) Python (pandas, matplotlib, seaborn) Python-driven visualizations