PostgreSQL/Math Functions/Pow

pow(0) AS "two cubed", pow(0) AS "two squared", pow(0) AS "just two"

postgres=#
postgres=# SELECT pow(2.0, 3.0) AS "two cubed",
postgres-#        pow(2.0, 2.0) AS "two squared",
postgres-#        pow(2.0, 1.0) AS "just two";
     two cubed      |    two squared     |      just two
--------------------+--------------------+--------------------
 8.0000000000000000 | 4.0000000000000000 | 2.0000000000000000
(1 row)
postgres=#

pow(x, y): Returns value of x to the exponential power of y

postgres=#
postgres=# -- pow(x, y): Returns value of x to the exponential power of y
postgres=# select pow(2.0, 3) AS "two cubed";
     two cubed
--------------------
 8.0000000000000000
(1 row)
postgres=#