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LOG10

Syntax

LOG10(X)

Description

Returns the base-10 logarithm of X.

Examples

SELECT LOG10(2);
+-------------------+
| LOG10(2)          |
+-------------------+
| 0.301029995663981 |
+-------------------+

SELECT LOG10(100);
+------------+
| LOG10(100) |
+------------+
|          2 |
+------------+

SELECT LOG10(-100);
+-------------+
| LOG10(-100) |
+-------------+
|        NULL |
+-------------+
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https://mariadb.com/kb/en/log10/