Thanks Rajendra. The link was really helpfull. And its a great work, explained clearly. Is it possible to display more informations using crosstab: Type1 Type2 Type3 V11 V12 V13 V14 V15 1 3 6 V21 V22 V23 V24 V25 5 4 10 .. Crosstab allows to display a max of 2 rows and 2 columns only. Thanks in advance.