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Pivoting and Unpivoting Data
Last Updated: April 13, 2026
Ashish Pratap Singh
8 min read
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Sample Data
What Pivoting Means
Manual Pivot with Conditional Aggregation
The PIVOT Operator
CROSSTAB in PostgreSQL
What Unpivoting Means
Manual Unpivot with UNION ALL
The UNPIVOT Operator
LATERAL JOIN for Unpivoting in PostgreSQL
When to Use Each Approach
Dynamic Pivoting
Vote/Request Content
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