log2
function
Applies to: Databricks SQL Databricks Runtime
Returns the logarithm of expr
with base 2
.
Syntax
log2(expr)
Arguments
expr
: An expression that evaluates to a numeric.
Returns
A DOUBLE.
If expr is less than or equal to 0 the result is NULL.
Examples
> SELECT log2(2);
1.0
Related functions
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