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Explain Cross-Tab Pivoting in SQL

Medium

PivotData WranglingAggregations

What you need to explain

Problem

You are asked to explain what a cross-tab or pivot operation does to someone with no Excel or database background. Your explanation should make clear how the data changes shape, why the transformation is useful, and what happens when multiple rows map to the same output cell.

What you need to explain

Problem

You are asked to explain what a cross-tab or pivot operation does to someone with no Excel or database background. Your explanation should make clear how the data changes shape, why the transformation is useful, and what happens when multiple rows map to the same output cell.

Your answer

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Explain Cross-Tab Pivoting in SQL | Dataford Interview Questions