Select Code to Download

my @row = $dbh->selectall_arrayref("SELECT IP, ServerName, Domain, Day
+sUptime, OS, RAM, OSSP, InstallDate, CPUSpeed, CPUCount, CPUType FROM
+ hosts LEFT JOIN info ON hosts.IP = info.IP");

Execution ERROR: Ambiguous column name 'IP' called from /usr/lib/perl5
+/vendor_perl/5.8.6/i586-linux-thread-multi/DBI.pm at 1557.

my @row = $dbh->selectall_arrayref("SELECT IP, ServerName, Domain, Day
+sUptime, OS, RAM, OSSP, InstallDate, CPUSpeed, CPUCount, CPUType, Par
+titionFree FROM hosts, disks LEFT JOIN info ON hosts.IP = info.IP AND
+ hosts.IP = disks.IP");