"Pierre" wrote:

Assuming SQL via JDBC:

<http://java.sun.com/javase/6/docs/api/java/sql/ResultSet.html>
obtained from, say, a
<http://java.sun.com/javase/6/docs/api/java/sql/PreparedStatement.html>

 PreparedStatement pstmt = con.prepareStatement(
   "SELECT name, salary WHERE id = ?" );
 ps.setString( 1, "1719232931" );
 ResultSet rs = ps.executeQuery();
 String name = rs.getString( "name" );
 BigDecimal salary = getBigDecimal( "salary" );

Assuming anything other than what we've guessed, you'll have to be a lot more
specific.  What kind of "Select"?  What is a "DataSet"?