analytical-skills

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leoloujeffreydev / data-analytics-project

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

Updated Jun 6, 2026
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leoloujeffreydev / sql-interview-preparation

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PostgreSQL SQL interview preparation covering joins, CTEs, window functions, query optimization, and execution plans.

postgresql query-optimization data-aggregation analytical-skills

Updated Jun 10, 2026

Harshitapandey29 / Excel-DPP-Assignments

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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

Updated Jan 5, 2026

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