| Oracle9i SQL Reference Release 2 (9.2) Part Number A96540-02  | 
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power::=
 POWER returns m raised to the nth power. The base m and the exponent n can be any numbers, but if m is negative, then n must be an integer.
The following example returns 3 squared:
SELECT POWER(3,2) "Raised" FROM DUAL; Raised ---------- 9