Selecione distinto
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 DISTINCT ColumnName FROM TableName;SELECT DISTINCT country
FROM Customers;