ENOTENOUGHINFO: you have told us nothing about the database, its version, its encoding, its network layers etc etc.

$ cat info.csv
id,count,desc,asc,row
1,2,foo,bar,10

$ perl -MDBI -COE -wE'my$dbh=DBI->connect("dbi:CSV:",undef,undef,{f_ex
+t=>".csv/r"});my$sth=$dbh->prepare("select id,\x27\x{20ac}\x27 from i
+nfo");$sth->execute;while(my$r=$sth->fetch){say for@$r;}'
1
€
[download]

That just worked, so it could be your database or your database driver, or your database driver version or ...