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Updated Nov 01, 2024
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ln
Applies to: Databricks SQL Databricks Runtime
Returns the natural logarithm (base e) of expr.
e
expr
ln(expr)
expr: An expression that evaluates to a numeric.
A DOUBLE.
if the argument is out of bounds, the result is NULL.
> SELECT ln(1); 0.0
exp function
expm1 function
e function
log function
log10 function
log1p function