mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-08 16:42:04 +00:00
258d2fd499
* normalize
* split & adjust links
* re-normalize
* adjust ru links
* adjust ja/tr links
* partially apply e0d19d2aea
* reset contribs
961 B
961 B
toc_priority |
---|
191 |
uniqExact
Calculates the exact number of different argument values.
uniqExact(x[, ...])
Use the uniqExact
function if you absolutely need an exact result. Otherwise use the uniq function.
The uniqExact
function uses more memory than uniq
, because the size of the state has unbounded growth as the number of different values increases.
Parameters
The function takes a variable number of parameters. Parameters can be Tuple
, Array
, Date
, DateTime
, String
, or numeric types.
See Also