oracle - Issue with comparision of day in PL/SQL -


i working on pl/sql. meanwhile, required compare whether date in table friday or not. applied below code it's still executing 'else' part of program. can please tell me way?

begin     select dt dat ticket_booking id=1;     dy := to_char(dat, 'day');     if  dy = to_char('friday')         dbms_output.put_line(dy);     else         dbms_output.put_line('didnt print'||dy);     end if; end;

instead of day, need use fmday.

begin select dt dat ticket_booking id=1; dy := to_char(dat, 'fmday'); if  dy = to_char('friday')     dbms_output.put_line(dy); else     dbms_output.put_line('didnt print'||dy); end if; end;

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