SQL Server/T-SQL Tutorial/Math Functions/LOG

LOG Takes one positive valued parameter, and returns the natural logarithm of this parameter as a float value.

   <source lang="sql">

4> SELECT LOG(5.67) 5> SELECT LOG(EXP(2)) 6> GO

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     1.7351891177396608

(1 rows affected)

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                      2

(1 rows affected)</source>