ResultSet.getBinaryStream
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 public abstract InputStream getBinaryStream( String columnName ) throws SQLException
Parameters
-  columnName 
-  is the SQL name of the column
    
Returns
     a Java input stream that delivers the database column value
 as a stream of uninterpreted bytes.  If the value is SQL NULL
 then the result is null.
    Description
 A column value can be retrieved as a stream of uninterpreted bytes 
 and then read in chunks from the stream.  This method is particularly
 suitable for retrieving large LONGVARBINARY values.
 Note: All the data in the returned stream must
 be read prior to getting the value of any other column. The
 next call to a get method implicitly closes the stream.
  
Exceptions
 SQLException
     if a database-access error occurs.