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Built an end-to-end data pipeline for AdventureWorks using Python, SQLAlchemy, and MySQL, processing over 100,000 rows of data. Cleaned and transformed raw data. Loaded processed data into a MySQL database, optimizing query performance and Created 3 interactive dashboards in Power BI after integrating SQL with Power BI

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Adventure Works Data Analytics and Visualization Pipeline

Python SQL Power BI Pandas Data Analytics ETL Pipeline

The Adventure Works Report delivers a comprehensive analysis of key sales metrics and employee performance indicators using dynamic Power BI dashboards. This report provides valuable insights into sales trends, regional distribution, product performance, and employee contributions, helping stakeholders make data-driven strategic decisions that enhance business performance.


📌 Installation

To set up this project and fully understand the data preparation and utilization process, follow these steps:

📂 Dataset Preparation

  1. 📥 Acquire Dataset:

    • Obtain a dataset covering sales figures, regions, annual performance, costs, reseller sales, profits, and overall company sales.
  2. 🛠 Data Cleaning (Using Python):

    • Ensure data accuracy and reliability before analysis.
    • Handling Null Values:
      • Replace missing numerical values:
        • Mean for normally distributed data.
        • Median for skewed data.
      • For categorical data, use Mode to fill missing values.

📊 Creating the Dashboard in Power BI

  1. 🔗 Data Import and Connection:

    • Import the cleaned dataset into Power BI or connect it directly to a SQL database.
  2. 🔧 Data Modeling:

    • Establish relationships between multiple tables to create a comprehensive data model.
  3. 📈 Data Visualization:

    • Use Power BI to create interactive and insightful visualizations, including:
      • 📅 Sales Trends: Identify patterns and seasonal variations.
      • 🎯 Actual Sales vs Target Sales: Measure performance against goals.
      • 💰 Total Sales: Understand market standing.
      • 🏆 Top Performers: Recognize top sales contributors.
      • 🔥 Top Products: Identify best-selling products.
      • 📉 Cost Analysis: Assess costs to optimize profitability.
      • 📊 Profit Margin: Evaluate financial health.
      • 📈 Growth Efficiency: Measure resource allocation effectiveness.

By following these steps, you will build a powerful data analytics framework that enables informed decision-making.


🚀 Usage

🧹 Data Cleaning:

Run the Python script to clean and preprocess the dataset.

📂 Database Integration:

Upload the cleaned data to SQL using SQLAlchemy.

📊 Dashboard Creation:

Connect Power BI to the SQL database and generate interactive visualizations.


🎯 Features

Comprehensive Data Cleaning with Python

  • Handle missing values and remove inaccuracies for reliable analysis.

Seamless SQL Database Integration

  • Efficiently store and query large datasets for easy access.

Interactive & Engaging Dashboards with Power BI

  • Transform raw data into meaningful visuals for better decision-making.

🛠 Technology Stack

🔹 Programming Language: Python 🐍
🔹 Database Management: SQL (via SQLAlchemy) 🗄️
🔹 Visualization Tool: Power BI 📊
🔹 Libraries Used: Pandas, SQLAlchemy, NumPy 📚
🔹 Version Control: Git 🔄


📌 Data Visualization

📍 ER Diagram

ER Diagram

📍 Sales Dashboard

Sales Dashboard

📍 Employees Dashboard

Employees Dashboard


📂 Project Repository

Find the source code and additional details on GitHub:
🔗 Adventure Works Repository 🚀

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Conclusion

The analysis underscores the critical importance of achieving a balance in the distribution of sales to ensure that resources are allocated effectively across various regions. Organizations can significantly enhance their overall performance and responsiveness to market demands by optimising regional strategies. Furthermore, integrating sales metrics and relevant data is essential, as it can provide a more comprehensive understanding of sales trends and customer behaviour. This deeper insight can ultimately lead to improved strategic planning, enabling businesses to make informed decisions that drive growth and success.

🎯 Empower Your Business with Data-Driven Decisions! 📊

About

Built an end-to-end data pipeline for AdventureWorks using Python, SQLAlchemy, and MySQL, processing over 100,000 rows of data. Cleaned and transformed raw data. Loaded processed data into a MySQL database, optimizing query performance and Created 3 interactive dashboards in Power BI after integrating SQL with Power BI

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