> 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-structure/operators/arithmetic-operators/addition-operator.md).

# Addition Operator (+)

## Syntax

```bnf
+
```

## Description

Addition.

If both operands are integers, the result is calculated with [BIGINT](/docs/server/reference/data-types/numeric-data-types/bigint.md) precision. If either integer is unsigned, the result is also an unsigned integer.

For real or string operands, the operand with the highest precision determines the result precision.

## Examples

```sql
SELECT 3+5;
+-----+
| 3+5 |
+-----+
|   8 |
+-----+
```

## See Also

* [Type Conversion](/docs/server/reference/sql-functions/string-functions/type-conversion.md)
* [Subtraction Operator (-)](/docs/server/reference/sql-structure/operators/arithmetic-operators/subtraction-operator.md)
* [Multiplication Operator (\*)](/docs/server/reference/sql-structure/operators/arithmetic-operators/multiplication-operator.md)
* [Division Operator (/)](/docs/server/reference/sql-structure/operators/arithmetic-operators/division-operator.md)
* [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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