SQL Reference

Quick Reference

The MySQL LOG() function returns the natural logarithm of a specified number, or the logarithm of the number to the specified base.

SELECT LOG(7, 2);

Output

LOG(7, 2)
0.3562071871080222

Syntax

LOG(number)

// or

LOG(base, number)

Parameters

ParameterDescription
numberA number greater than 0 (required)
baseThe base of the number parameter; must be greater than 1

SQL Notes:

  • Any work being done to modify the structure of a database or delete tables or the the database itself should only be done after making a recent backup

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