resultSet是只读的,如何将它变成可写的?

这是代码,我想在通过它更新表中的信息,但是resultSet是只读的,如何将它变成可写的?
public static void main(String[] args) throws ClassNotFoundException, SQLException{
DbConnection c=new DbConnection("192.168.253.83","rep","repyx","123456");
Connection Con=c.GetOracleConn();
Statement stmt=Con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE);

ResultSet rs=stmt.executeQuery("select * from wfq_sub_local_net2");
ResultSetMetaData md=rs.getMetaData();
if(rs.getConcurrency()==ResultSet.CONCUR_UPDATABLE)
System.out.println("UPDATATABLE");
else
System.out.println("READ_ONLY");
 while (rs.next()) {
 rs.updateString("res","123");
 rs.updateRow();
 }
}