Data Analytics Projects

Collection of data analytics projects focused on SQL, Python, Tableau, Power BI, data cleaning, and visualization.

Projects

Sales Insights Dashboard | SQL, Tableau

• Analyzed sales and customer data using SQL to identify revenue trends, product performance drivers, and user behavior insights.
• Developed interactive Tableau dashboards and validated MySQL datasets to improve KPI tracking and reporting accuracy.

SQL Data Cleaning & Validation Project | SQL

• Cleaned and standardized raw datasets using SQL by removing duplicates, correcting inconsistencies, and validating data integrity.
• Improved reporting accuracy and downstream analysis readiness through structured data cleaning processes.

Air Quality Dashboard | Python, Power BI, Snowflake, SQL

• Built an end-to-end air quality analytics pipeline using Python, Snowflake, SQL, and Power BI.
• Ingested, cleaned, and visualized OpenAQ PM2.5 sensor data to analyze global air quality trends.

Tools & Technologies

• SQL (MySQL)
• Python (Pandas, NumPy)
• Tableau
• Power BI
• Snowflake

Repository Structure

Each project folder contains relevant SQL scripts, Python files, dashboard screenshots, and supporting documentation.