Query Run
select substr(user_registration,1,4),count(*) from user group by... 2 years ago
select substr(user_registration,1,4),(count(*) from user group by... 2 years ago
select count(*) from user group by substr(user_registration,1,4) 2 years ago
select count(*) from user group by s8bstr(user_registration,1,4) 2 years ago
select count(*) from user group by user_registration 2 years ago