xquerry on oracle 10g xml database
 

hi
i want to use my xquery on an xmldatabase oracle 10g to run my query
how can i do this, plz help me
my querry is

select extractValue(value(x),'/party/partyGdr/addressGdr/addressType')
from XDB_PARTY x
where existsNode(value(x),
'/party[partyId="AC0000169"]') = 1

bye

can any body who can help me to run xquerry on the xml database