LOG()

Description

LOG(X) returns the natural logarithm of X.

Syntax

1. > LOG(X)

Arguments

Examples

1. drop table if exists t1;
2. create table t1(a float, b float);
3. insert into t1 values(2,8);

5. mysql> select log(a), log(b) from t1;
6. +--------------------+--------------------+
7. | log(a)             | log(b)             |
8. +--------------------+--------------------+
9. | 0.6931471805599453 | 2.0794415416798357 |
10. +--------------------+--------------------+
11. 1 row in set (0.00 sec)

Constraints

LOG(X) only support one parameter input for now.