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Oracle® Database SQL Language Reference
11g Release 1 (11.1)

Part Number B28286-01
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POWER

Syntax

Description of power.gif follows
Description of the illustration power.gif

Purpose

POWER returns n2 raised to the n1 power. The base n2 and the exponent n1 can be any numbers, but if n2 is negative, then n1 must be an integer.

This function takes as arguments any numeric datatype or any nonnumeric datatype that can be implicitly converted to a numeric datatype. If any argument is BINARY_FLOAT or BINARY_DOUBLE, then the function returns BINARY_DOUBLE. Otherwise the function returns NUMBER.

See Also:

Table 2-10, "Implicit Type Conversion Matrix" for more information on implicit conversion

Examples

The following example returns 3 squared:

SELECT POWER(3,2) "Raised" FROM DUAL;

    Raised
----------
         9