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Lesson 10 of 35 · Free with sign-inCourse syllabus
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Project: the query runs, the number is wrong, and finance cannot say why

Diagnose a synthetic revenue query with fan-out, inconsistent status spelling and a timestamp boundary error. Run six datasets, explain masking defects, and write a finance note that separates corrected totals from unverified business assumptions.

~1.5 HOURS · PROJECT · PLUS

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