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Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E26088-02
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SQRT

Syntax

Description of sqrt.gif follows
Description of the illustration sqrt.gif

Purpose

SQRT returns the square root of n.

This function takes as an argument any numeric data type or any nonnumeric data type that can be implicitly converted to a numeric data type. The function returns the same data type as the numeric data type of the argument.

See Also:

Table 3-10, "Implicit Type Conversion Matrix" for more information on implicit conversion

Examples

The following example returns the square root of 26:

SELECT SQRT(26) "Square root" FROM DUAL;

Square root
-----------
5.09901951