# SQL EXP() function

## EXP() function

SQL EXP() function returns **e** raised to the n-th power(n is the numeric expression), where e is the base of a natural algorithm and the value of e is approximately 2.71828183.

**Syntax:**

EXP(expression)

**Parameters:**

Name | Description |
---|---|

expression | An expression which is a float or can be converted to a float. |

**MySQL, PostgreSQL, SQL Server, and Oracle **

All of above platforms support the SQL syntax of EXP().

## SQL EXP() function: Pictorial presentation

**Example:**

To get the **e** raised by 2's power from the DUAL table, the following SQL statement can be used:

```
SELECT EXP(2) AS e_to_2s_power
FROM dual;
```

Output:

E_TO_2S_POWER ------------- 7.3890561

Note: Outputs of the said SQL statement shown here is taken by using Oracle Database 10g Express Edition.

Here is a slide presentation which covers the SQL arithmetic functions.

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