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