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SELECT DISTINCT ma_colonne
FROM nom_du_tableau
Courageous Cowfish
SELECT DISTINCT ma_colonne
FROM nom_du_tableauSELECT DISTINCT Column_name FROM table_name;produces only one of two of the same data
returns only one of two of the same dataSELECT 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;SELECT DISTINCT country
FROM Customers;SELECT DISTINCT ColumnName FROM TableName;