exp userid=zf/j@oracle9i tables=xsxkbn  file=xsxkb20110825_2.dmp    

 

 exp userid=zf/j@oracle9i tables=(table1,table2,table3) file=xsxkb20110825_2.dmp    

 

REF:

https://community.oracle.com/thread/841934

https://community.oracle.com/thread/1119117

http://stackoverflow.com/questions/5428872/multiple-table-export-in-oracle