04 October 2009
V Lookup is Vertical Lookup Which means bringing the data in the Column from some other Column. Here the One column must be Common in bothe the sheet or file such common Cloumn is to be called as a base column.
H Lookup is horizontal Look up Which means bringing the data in the row from some other row. Here the One row must be Common in bothe the sheet or file such common row is to be called as a base row.
03 December 2009
it is pratically used in searching some field value from different sheet having one similar field rows or columns even not arranged similarly.