MySQL SQRT() function
SQRT() function
MySQL SQRT() returns the square root of a non-negative number of the argument.
Syntax:
SQRT(X)
Where X is a number
Syntax Diagram:

MySQL Version: 5.6
Pictorial presentation of MySQL SQRT() function
Example of MySQL SQRT() function
Code:
SELECT SQRT(25);
Explanation:
The above statement will return the square root of the given number 25.
Sample Output:
mysql> SELECT SQRT(25); +----------+ | SQRT(25) | +----------+ | 5 | +----------+ 1 row in set (0.00 sec)
Example: SQRT() function using negative value
Code:
SELECT SQRT(-25);
Explanation:
The above statement will return NULL because the value of the argument (-25) is negative.
Sample Output:
mysql> SELECT SQRT(-25); +-----------+ | SQRT(-25) | +-----------+ | NULL | +-----------+ 1 row in set (0.00 sec)
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