Answers for "how to display records using unique values of a particular column"

SQL
14

select count of distinct values sql

SELECT COUNT (DISTINCT column-name)  FROM table-name
Posted by: Guest on March-06-2020
1

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;
Posted by: Guest on March-12-2020

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