Oracle® Database SQL Language Reference 11g Release 1 (11.1) Part Number B28286-01 |
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Syntax
Purpose
EXP
returns e
raised to the n
th power, where e
= 2.71828183 ... The function returns a value of the same type as the argument.
This function takes as an argument any numeric datatype or any nonnumeric datatype that can be implicitly converted to a numeric datatype. If the argument is BINARY_FLOAT
, then the function returns BINARY_DOUBLE
. Otherwise the function returns the same numeric datatype as the argument.
See Also:
Table 2-10, "Implicit Type Conversion Matrix" for more information on implicit conversionExamples
The following example returns e
to the 4th power:
SELECT EXP(4) "e to the 4th power" FROM DUAL; e to the 4th power ------------------ 54.59815