code: public static Sql newInstance(String url) throws SQLException {
          Connection connection = DriverManager.getConnection(url);
          return new Sql(connection);
      }
docs: Creates a new Sql instance given a JDBC connection URL.
  
  @param url a database url of the form
  <code>jdbc:<em>subprotocol</em>:<em>subname</em></code>
  @return a new Sql instance with a connection
  @throws SQLException if a database access error occurs