PostgreSQL SQL interview preparation covering joins, CTEs, window functions, query optimization, and execution plans.
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Jun 10, 2026
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analytical-skills
Here are 4 public repositories matching this topic...
End-to-end retail sales analytics workflow: Python, PostgreSQL, SQL, DAX, Power BI, and business insights.
python sql excel postgresql powerbi data-cleaning star-schema dashboard-development kpi-reporting data-visulaization dax-measures analytical-skills
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Jun 6, 2026 - Jupyter Notebook
hands-on Excel projects involving data cleaning, formula automation, conditional logic, date analysis, and lookup functions (XLOOKUP, VLOOKUP, HLOOKUP) to solve real-world business problems.
problem-solving excel-functions microsoft-excel advanced-excel analytical-skills business-reporting entry-level-data-analyst
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Jan 5, 2026
The objective of this project is to analyze hotel booking data to identify booking patterns, customer behavior, cancellation trends, and pricing insights that can support business decision-making.
python analytics plotly python-script pandas data-visualization seaborn data-analytics matplotlib data-cleaning pandas-dataframes numpy-library analytical-skills
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Jun 26, 2026 - Jupyter Notebook
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