$VAR1 = {   #Variable is a hashRef
          'table' => [  #One key is "table", 
                        # which gives an arrayref.
                     [  #The first element in that array 
                        #is another arrayref
                       'CredSMB.168', #Element 0  
                              # AKA $VAR1->{table}[0][0];
                       '168',
                       '1',
                       'Customer.1',  #Element 3
                       '',
                       'BNS-NA-CA-SMB-SCGLOBAL',
                       '3',
                       'SCGLOBAL',
                       'ip360scglobal'
                     ]
                   ],
          'columns' => [ #Another key is "columns", 
                         #which gives an arrayref.
                       'REFERENCE', # array element [0]
                       'id',
                       'type',
                       'customer',
                       'notes',
                       'name',
                       'authAlgorithm',
                       'domain',
                       'userName'
                     ]
        };


##</code><code>##

$rowHash = {id=>168, name=>'Jack'}; # create row
$tableHash->{$rowHash->{id}} = $rowHash; # add row to table
delete $tableHash->{$rowHash->{id}};  # delete row from table
$tableHash->{168}{name} = 'Jill'; #update single value