type_info_all()
$dbh->type_info_all()This function returns a reference to an array of all data types supported by the driver. The following program excerpt shows how it may be used and shows the results of the method:
my @dbinfo = $dbh->type_info_all();
my $dbinfo_hashref = $dbinfo[0];
while( my($key,$value) = each(%$dbinfo_hashref)){
print "$key => @$value\n";
}