exp使用to_date
1) where前面要带双引号2) to_date参数需要从单引号变成双音号3) exp支持的userid格式username/userpassword@tnsname , 不支持username@tnsname/userpassword格式eg:exp userid=test/test@ora92 file=t_test.dmp buffer=40768000 tables=(t_test) query='"where time1>=to_date(''20070601'',''yyyymmdd'') and time2<to_date(''20070701'',''yyyymmdd'')"'[@more@]