How Data is Stored and Moved

Aggregate

Performing a calculation across many rows to produce a single summary value.

Definition

Performing a calculation across many rows to produce a single summary value. Common aggregations include counting rows, summing values, computing averages, and finding minimums or maximums.

Example

SELECT AVG(score) FROM tests WHERE subject = 'Math' — this aggregates all math test scores into a single average.

See it in context Learn how Aggregate fits into the bigger picture of how software actually works.

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