count distinct code example
Example 1: select count of distinct values sql
SELECT COUNT (DISTINCT column-name) FROM table-name
Example 2: MySQL DISTINCT
When querying data from a table, you may get duplicate rows. In order to remove these duplicate rows, you use the DISTINCT clause in the SELECT statement.
Here is the syntax of the DISTINCT clause:
SELECT DISTINCT
select_list
FROM
table_name;
Example 3: sql count distinct group by
SELECT COUNT(DISTINCT program_name) AS Count,
program_type AS [Type]
FROM cm_production
WHERE push_number=@push_number
GROUP BY program_type
Example 4: sparql count distinct
SELECT ?a (count(distinct ?a) as ?count)
WHERE {
?a ?b ?c
}
Example 5: sql distinct
df.name.unique()