how to know if you are granted on a table?

Hi,


I would like to know if it is possible to get the rights information on a 
table before selecting or inserting data in it?
Any SQL satement?


thanks

JC

_________________________________________________________
Jean-Christophe FABRE
INRA - UMR Sol & Environnement tel: +33 (0)4 99 61 23 51
2, place Viala fax: +33 (0)4 67 63 26 14
34060 MONTPELLIER cedex 1
FRANCE