ClickHouse/docs/en/sql-reference/aggregate-functions/reference/min.md

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## min {#agg_function-min}

Aggregate function that calculates the minimum across a group of values.

Example:

```
SELECT min(salary) FROM employees;
```

```
SELECT department, min(salary) FROM employees GROUP BY department;
```

If you need non-aggregate function to choose a minimum of two values, see `least`:

```
SELECT least(a, b) FROM table;
```