
Data Science
Walmart Sales Data Analysis: End-to-End SQL + Python

Github
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Project Overview
End-to-end data analysis solution designed to ingest, clean, and extract critical business insights from Walmart sales data.
Key Features
- Ingested and cleaned 10K+ sales records using Pandas and SQLAlchemy, resolving data inconsistencies and type mismatches.
- Designed complex SQL queries in PostgreSQL to analyze weekly department sales, revenue growth, and seasonal peaks.
Tech Stack
PythonSQLPandasPostgreSQLSQLAlchemyKaggle API