set serveroutput on;
begin
declare
v_cod ARTIST_MUN.cod_artist%type := &cod;
nume ARTIST_MUN.nume_artist%type;
begin
select nume_artist into nume
from ARTIST_MUN
where cod_artist = v_cod;
exception
when no_data_found THEN
dbms_output.put_line('Acest artist nu exista!');
end;
exception
when others then
dbms_output.put_line('Introdu un input valid!');
end;
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