SQRT() function :
This function in SQL Server is used to return the square root of a specified positive number. For example, if the specified number is 81, this function will return 9.
Features :
- This function is used to find the square root of a given number.
- This function accepts only positive numbers.
- This function also accepts fraction numbers.
- This function always returns positive number.
- This function use the formula
- (a)1/2 = Returned value
- where a is the specified number.
Syntax :
SQRT(number)
Parameter :
This method accepts a parameter as given below :
- number : Specified positive number whose square root is going to be returned.
Returns :
It returns the square root of a specified positive number.
Example:
Getting the square root of the specified number 4.
SELECT SQRT(4);
Output :
2.0