LOG(X), LOG(B,X) : LOG : Math Numeric Functions MySQL TUTORIALS

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LOG(X), LOG(B,X)


mysql>
mysql> SELECT LOG(2);
+------------------+
| LOG(2)           |
+------------------+
| 0.69314718055995 |
+------------------+
1 row in set (0.00 sec)

mysql>
mysql> SELECT LOG(-2);
+---------+
| LOG(-2) |
+---------+
|    NULL |
+---------+
1 row in set (0.00 sec)

mysql>



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