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MySQL | LN method

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schedule Jul 1, 2022
Last updated
local_offer MySQL
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MySQL's LN(~) method returns the value of the natural (base-$e$) logarithm of X. If we provide an input less than or equal to 0 we will return NULL.

Parameters

1. X | number

The number to return the natural logarithm for.

Return value

The value of the natural logarithm of X.

Examples

To return natural logarithm of 256:

SELECT LN(256);
+-------------------+
| LN(256) |
+-------------------+
| 5.545177444479562 |
+-------------------+

To return natural logarithm of 0:

SELECT LN(0);
+-------+
| LN(0) |
+-------+
| NULL |
+-------+
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Published by Arthur Yanagisawa
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