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# Beam Calcite SQL aggregate functions

This page documents Apache Calcite aggregate functions supported by Beam Calcite SQL.

| Operator syntax | Description |
| ---- | ---- |
| COUNT(*) | Returns the number of input rows |
| AVG(numeric) | Returns the average (arithmetic mean) of numeric across all input values |
| SUM(numeric) | Returns the sum of numeric across all input values |
| MAX(value) | Returns the maximum value of value across all input values |
| MIN(value) | Returns the minimum value of value across all input values |
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