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  1. Data_Warehouse_ETLData_Warehouse_ETLPublic

    End-to-end SQL data engineering pipeline — raw CSVs → star schema data warehouse → analytical data marts, built with DuckDB.

  2. Exploratory_Data_Analysis_SQLExploratory_Data_Analysis_SQLPublic

    SQL exploratory analysis of the data engineer job market — identifying top skills by demand, salary, and optimal value using DuckDB and a star schema data warehouse.

  3. Power_BI_DashboardsPower_BI_DashboardsPublic

    Power BI dashboard collection analyzing the 2024 data job market — salaries, skills, and hiring trends across two dashboard iterations.

  4. Rag_System_LangChainRag_System_LangChainPublic

    A LangChain + Gradio document Q&A chatbot that lets you upload files and compare Document Injection VS full Retrieval-Augmented Generation (RAG), with token tracking, vector similarity search, and …

    Python