---
{
    "title": "bitmap_max",
    "language": "en"
}
---

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# bitmap_max
## description
### Syntax

`BIGINT BITMAP_MAX(BITMAP input)`

Calculate and return the max values of a bitmap.

## example

```
mysql> select bitmap_max(bitmap_from_string('')) value;
+-------+
| value |
+-------+
|  NULL |
+-------+

mysql> select bitmap_max(bitmap_from_string('1,9999999999')) value;
+------------+
| value      |
+------------+
| 9999999999 |
+------------+
```

## keyword

    BITMAP_MAX,BITMAP