SQL Server POWER() Function
The SQL Server POWER() function is used to return a given expression raised to the specified power.
Syntax
The syntax for the POWER() function is as follows:
POWER(numeric_expression, y)
Here, numeric_expression is the number expression to be calculated, and y is the exponent.
Usage
The POWER() function is typically used to calculate the power of a number. For example, it can be used to calculate interest rates, compound annual growth rates, and so on.
Examples
Here are two examples of the POWER() function:
Example 1
Calculate the second power of a number expression:
SELECT POWER(2, 2) AS Result;
Result:
| Result |
|---|
| 4 |
Example 2
Use the POWER() function to calculate the interest on some compound interest:
SELECT 10000 * POWER(1 + 0.05, 5) AS Result;
Result:
| Result |
|---|
| 12762.82 |
Conclusion
The SQL Server POWER() function is used to calculate the specified power of a numeric expression. This function can be used to calculate interest rates, compound annual growth rates, and so on.