select distinct count code example

Example 1: select count of distinct values sql

SELECT COUNT (DISTINCT column-name)  FROM table-name

Example 2: distincct sql

SELECT DISTINCT column1, column2, ...

 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: sql server select rows by distinct column

SELECT a.*
FROM emails a
INNER JOIN 
  (SELECT email,
    MIN(id) as id
  FROM emails 
  GROUP BY email 
) AS b
  ON a.email = b.email 
  AND a.id = b.id;

Example 5: sparql count distinct

SELECT ?a (count(distinct ?a) as ?count)
WHERE {
    ?a ?b ?c
}

Example 6: sql distinct

#List unique values in the df['name'] column
df.name.unique()