Data Storytelling with SQL & Tableau - Behind the Scenes
Revealing my methods: cleaning big public datasets, running insightful SQL queries, and visualizing trends in Tableau. Give your audience a "peek behind the curtain," inspiring analysts and aspiring storytellers.
From Raw Data to Real Insights: My Behind-the-Scenes H-1B Analysis Journey with SQL & Tableau âď¸đ
Ever wondered how a messy Excel download becomes an interactive dashboard that brings H-1B trends to life? Hereâs my workflowâwarts, surprises, and wins included!
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Messy Beginnings:Â It always starts with untangling CSVsâmissing values, typos, date mismatches. Enter SQL: the unsung hero of data wrangling.
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Transformation Magic:Â Complex queries let me join, group, and filter millions of records: approvals, denials, employer profiles, timelines. Suddenly, patterns emerge!
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Visual Storytelling:Â Once the tables make sense, Tableau helps convert rows into charts, maps, and interactive infographics that anyone can exploreâgiving wings to the data.
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Challenges (and Hacks):Â Whether itâs optimizing queries for speed or picking the right chart to make trends pop, every step is a lesson. I share tips and mistakes to help fellow analysts avoid common traps.
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Impact:Â Data storytelling is about finding the story behind the numbersâand making it memorable for employers, job-seekers, and policy thinkers.
#DataScience #SQLTips #Tableau #AnalyticsWorkflow #ProjectShowcase #StorytellingWithData #H1BAnalysis #DataTransformation
Data section references from your project:
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2025: âCleaning & Data Preparation,â âData Visualizationâ (workflow explanations, code snippets, dashboard walkthroughs)
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Historical: âCleaning and Data Prep,â âData Vizâ (project pipeline commentary, query samples, Tableau screenshots)