> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/sql-functions/secondary-functions/bit-functions-and-operators/bitwise-or.md).

# |

## Syntax

```bnf
|
```

## Description

Bitwise OR. Converts the values to binary and compares bits. If either of the corresponding bits has a value of 1, the resulting bit is also 1.

See also [bitwise AND](/docs/server/reference/sql-functions/secondary-functions/bit-functions-and-operators/bitwise_and.md).

## Examples

```sql
SELECT 2|1;
+-----+
| 2|1 |
+-----+
|   3 |
+-----+

SELECT 29 | 15;
+---------+
| 29 | 15 |
+---------+
|      31 |
+---------+
```

## See Also

* [Operator Precedence](/docs/server/reference/sql-structure/operators/operator-precedence.md)

<sub>*This page is licensed: GPLv2, originally from*</sub> [<sub>*fill\_help\_tables.sql*</sub>](https://github.com/MariaDB/server/blob/main/scripts/fill_help_tables.sql)

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