(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
s.setCursorName(getNextCursorName());
ResultSet rs = s.executeQuery("select * from t1");
rs.last();
int indexedKey = rs.getInt(2);
PreparedStatement ps =
prepareStatement("update t1 set a = ? where a= ?");
ps.setInt(1, -indexedKey);
ps.setInt(2, indexedKey);