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> 値のグループにおける最小値を計算する集約関数。

# min

<div id="min">
  ## min
</div>

導入バージョン: v1.1.0

値のグループ内の最小値を計算する集約関数です。

**構文**

```sql theme={null}
min(column)
```

**引数**

* `column` — カラム名または式。[`Any`](/ja/reference/data-types)

**戻り値**

入力と同じ型で、グループ内の最小値を返します。[`Any`](/ja/reference/data-types)

**例**

**基本的な min の例**

```sql title=Query theme={null}
CREATE TABLE employees (name String, salary UInt32) ENGINE = Memory;
INSERT INTO employees VALUES ('Alice', 3000), ('Bob', 4000), ('Charlie', 3500);

SELECT min(salary) FROM employees;
```

```response title=Response theme={null}
┌─min(salary)─┐
│        3000 │
└─────────────┘
```

**GROUP BY と併用した Min**

```sql title=Query theme={null}
CREATE TABLE sales (department String, revenue UInt32) ENGINE = Memory;
INSERT INTO sales VALUES ('Engineering', 100000), ('Engineering', 120000), ('Marketing', 80000), ('Marketing', 90000);

SELECT department, min(revenue) FROM sales GROUP BY department ORDER BY department;
```

```response title=Response theme={null}
┌─department──┬─min(revenue)─┐
│ Engineering │       100000 │
│ Marketing   │        80000 │
└─────────────┴──────────────┘
```