DISTINCT

Question

What am i doing wrong?

SELECT DISTINCT checks FROM checks;

Answer 1

Илья Касатов

Table name is operation not checks

Имя таблицы - операция не проверяется

SELECT DISTINCT checks FROM operation;

Answer 2

Is it in pro version?Sorry I don't have pro account but it is by logic table name and culoumn name must be different
SELECT Distinct checks from customers;

Answer 3

Thank you!

Answer 4

Table and column names are the same?

Answer 5

Yes. It's a task number 5.1 in base concepts of SQL.