Oracle® OLAP Expression Syntax Reference Release 11.2 E23381-01 |
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LOG
computes the logarithm of an expression.
NUMBER
LOG(n2, n1)
n2
is the base by which to compute the logarithm.
n1
is the value whose logarithm is calculated. It can be any numeric expression that is greater than zero. When the value is equal to or less than zero, LOG
returns a null value.
LOG(10,100)
returns the value 2
.