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LOG10(x)

使用 LOG10(x) 计算以 10 为基数的对数

mysql> SELECT LOG10(2), LOG10(100), LOG10(-100);+--------------------+------------+-------------+| LOG10(2)           | LOG10(100) | LOG10(-100) |+--------------------+------------+-------------+| 0.3010299956639812 |          2 |        NULL |+--------------------+------------+-------------+

 

 

 

 

    

LOG10(x)