From clean data to useful decisions
Start with clean files, build a report, then learn SQL and diagnose operations. You can skip ahead.
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1. Excel Data Cleanup
Clean and reshape messy sales data for a reliable handoff.
No previous course required.
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2. Excel Sales Reporting
Build a checked sales report with lookups and conditional totals.
Recommended after the previous course; you may skip ahead.
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3. SQL Analyst Starter
Write and run SQL queries to answer everyday business questions.
Recommended after the previous course; you may skip ahead.
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4. SQL Operations Cases
Diagnose funnels, refunds, inventory and duplicate customer records.
Recommended after the previous course; you may skip ahead.