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log « Math Functions « PostgreSQL
PostgreSQL
Math Functions
log
1.
log(b numeric, x numeric) logarithm to base b
2.
log(dp or numeric) base 10 logarithm
3.
log(b, x): Returns the base b logarithm of x
4.
log(x): Returns the base 10 logarithm of x
5.
log(10, 12.0) AS log_12, log(3, 12.0) AS "log 12, base 3";