LOG10()

函数说明

LOG10(X) 函数返回以 10 为底 X 的对数。

函数语法

> LOG10(X)

参数释义

示例

drop table if exists t1;
create table t1(a float, b float);
insert into t1 values(10000,3784.159);
insert into t1 values(2738,682.325);
mysql> select log10(a),log10(b) from t1;
+-------------------+--------------------+
| log10(a)             | log10(b)              |
+-------------------+--------------------+
|                 4 |  3.577969368581086 |
| 3.437433443797971 | 2.8339912916439594 |
+-------------------+--------------------+
2 rows in set (0.00 sec)