log(b, x): Returns the base b logarithm of x : log « Math Functions « PostgreSQL






  1. PostgreSQL
  2. Math Functions
  3. log

log(b, x): Returns the base b logarithm of x


postgres=#
postgres=# -- log(b, x): Returns the base b logarithm of x
postgres=# select log(exp(1.0), 10.0) AS natural_log;
    natural_log
--------------------
 2.3025850929940457
(1 row)

postgres=#








Related examples in the same category

1.log(b numeric, x numeric) logarithm to base b
2.log(dp or numeric) base 10 logarithm
3.log(x): Returns the base 10 logarithm of x
4.log(10, 12.0) AS log_12, log(3, 12.0) AS "log 12, base 3";