1)	holds the basic table data
%T{tableName}=[['A','B',undef,'C'],['1','2',undef,'3'],['1','2',undef,'67']];

2)	hold the column names for each table
%C{tableName}={	'serialno'	=>	0,
		'type'		=>	1,
		'hardware'	=>	2,
		'software'  	=>	3,
		});
			
3)	holds any required indexes
%I{tableName}{_checksum}{'A'}=ref_to_row ['A','B',undef,'C']
%I{tableName}{_checksum}{'1'}=ref_to_row ['1','2',undef,'3']