Extract month name and year from timestamp to same column

Solution 1:

Example for you:

select 
    TO_CHAR(created_at, 'Month') AS "Month", 
    TO_CHAR(created_at, 'YYYY') AS "Year", 
    trim(TO_CHAR(created_at, 'Month')) || ', ' || trim(TO_CHAR(created_at, 'yyyy')) as mydate   
from acc_facts

Result data:

January     2022    January, 2022
January     2022    January, 2022
May         2022    May, 2022
March       2022    March, 2022