The following line: "The following SQL statement selects all (and duplicate) values from the "Country" column in the "Customers"" would be better understood if put this way:
"The following SQL statement selects all (including the duplicates) values from the "Country" column in the "Customers"
SQL tutorial. Correction suggestion
in SQL
Posted
https://www.w3schools.com/sql/sql_distinct.asp
The following line: "The following SQL statement selects all (and duplicate) values from the "Country" column in the "Customers"" would be better understood if put this way:
"The following SQL statement selects all (including the duplicates) values from the "Country" column in the "Customers"
The suggested correction is underlined.