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

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# bitnot
## description
### Syntax

`BITNOT(Integer-type value)`

Returns the result of the NOT operation of one integer.

Integer range: TINYINT、SMALLINT、INT、BIGINT、LARGEINT

## example

```
mysql> select bitnot(7) ans;
+------+
| ans  |
+------+
|   -8 |
+------+

mysql> select bitxor(-127) ans;
+------+
| ans  |
+------+
|  126 |
+------+
```

## keyword

    BITNOT