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log10, dlog10

Description​

Calculates the base 10 logarithm of a number.

Syntax​

log10(arg)

Parameters​

  • arg: The value whose logarithm you want to calculate. Only DOUBLE data type is supported.

NOTE

StarRocks returns NULL if arg is specified as a negative or 0.

Return value​

Returns a value of the DOUBLE data type.

Example​

Example 1: Calculate the base 10 logarithm of 100.

select log10(100);
+------------+
| log10(100) |
+------------+
|          2 |
+------------+
1 row in set (0.02 sec)