CountDistinct

Table of Contents



Returns the number of distinct values in each group. Values are compared without regard to case unless caseSensitive is true.

Numeric CountDistinct(AggregationArray valuesArray, Boolean caseSensitive = false)

round-pushpin Counts the distinct English words, with and without regard to case.
SELECT CountDistinct(English) as Words, CountDistinct(English, true) as CaseSensitiveWords FROM WordList:FlatTranslate




SQL :: MaxString
Returns the alphabetically largest value in each group.
SQL :: Mean
Returns the arithmetic mean of the values in each group (the same as Avg).
SQL :: Median
Returns the median (middle) value in each group. For an even number of values it is the average of the two middle values.
SQL :: Min
Returns the smallest numeric value in each group. Use MinString for text.
SQL :: MinString
Returns the alphabetically smallest value in each group.
SQL :: Mode
Returns the value that occurs most often in each group. When several values are tied, the first one encountered is returned.
SQL :: Order By
Order by sorts a result set by a given set of fields or expressions.
SQL :: Select
Select statements are used to read (or query) data from the database.
SQL :: Sha1Agg
Returns a single SHA-1 hash of all of the values in each group, as a lower case hex string. Useful for detecting changes to a set of documents.
SQL :: Sha256Agg
Returns a single SHA-256 hash of all of the values in each group, as a lower case hex string. Useful for detecting changes to a set of documents.