How to limit the number of rows to export data when using sqoop to export data from hdfs to oracle?

[qq]

Hello??
      
      I have a question on the export of sqoop need your help, the problem is 
as follows??
      How to limit the number of rows that need to be exported when exporting 
data from hdfs to oracle using sqoop?
      For example: hive data stored in the hdfs 100 lines, just want the first 
10 lines of data through sqoop exported to the oracle table, how to achieve 
through sqoop?
      I am looking forward to your reply??
      thinks.