question: private void populateTable ( Connection connection , String sql , int maxLength ) throws SQLException { Random rnd = new Random ( ) ; PreparedStatement ps = connection . prepareStatement ( sql ) ; try { for ( int i = 0 ; i < RECORD_COUNT ; i ++ ) { int length = rnd . nextInt ( maxLength ) ; byte [ ] data = new byte [ length ] ; rnd . nextBytes ( data ) ; ps . setInt ( 1 , i ) ; ps . setBytes ( 2 , data ) ; ps . execute ( ) ; } } finally { ps . close ( ) ; } }
target:  Populate table with random data.