select count of distinct values sql
SELECT COUNT (DISTINCT column-name) FROM table-nameselect count of distinct values sql
SELECT COUNT (DISTINCT column-name) FROM table-namemysql query unique column
SELECT DISTINCT(column_name) FROM your_table_name;
#You can select distinct values for one or more columns. The column names has to be separated with comma.
SELECT DISTINCT column_name_1, column_name_2 FROM your_table_name;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;Copyright © 2021 Codeinu
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