Oracle SQRT() function

Description

This function is used to get the square root of a given non-negative number.

Syntax:

SQRT(X)

Where X is a number

Pictorial Presentation of SQRT() function

Example: SQRT() function

SELECT SQRT(25) FROM dual;

Here is the result.

  SQRT(25)
----------
         5

The above statement will return the square root of the given number 25.

Example: SQRT() function using negative value

SELECT SQRT(-25) FROM dual;

Here is the result.

SELECT SQRT(-25) FROM dual
            *
ERROR at line 1:
ORA-01428: argument '-25' is out of range

The above statement will return an error message because the value of the argument (-25) is negative.

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