* 
   * @param url a string value; may be <code>null</code>
   * @exception SQLException if a database access error occurs
   * @see #getUrl
   */
  void setUrl(String url) throws SQLException;

  /**
   * Retrieves the logical name that identifies the data source for this
   * <code>RowSet</code> object.  
   *
   * @return a data source name
   * @see #setDataSourceName
   * @see #setUrl
   */
  String getDataSourceName();

  /**
   * Sets the data source name property for this <code>RowSet</code> object to the 
   * given <code>String</code>.
   * <P>
   * The value of the data source name property can be used to do a lookup of
   * a <code>DataSource</code> object that has been registered with a naming
   * service.  After being retrieved, the <code>DataSource</code> object can be
   * used to create a connection to the data source that it represents.
   *
   * @param name the logical name of the data source for this <code>RowSet</code>
   *        object; may be <code>null</code>
   * @exception SQLException if a database access error occurs
   * @see #getDataSourceName
   */
  void setDataSourceName(String name) throws SQLException;

  /** 
   * Retrieves the username used to create a database connection for this
   * <code>RowSet</code> object.  
   * The username property is set at run time before calling the method 
   * <code>execute</code>.  It is 
   * not usually part of the serialized state of a <code>RowSet</code> object.
   *
   * @return the username property
   * @see #setUsername
   */
  String getUsername();

  /**
   * Sets the username property for this <code>RowSet</code> object to the 
   * given <code>String</code>.
   *
   * @param name a user name
   * @exception SQLException if a database access error occurs
   * @see #getUsername
   */
  void setUsername(String name) throws SQLException;

  /** 
   * Retrieves the password used to create a database connection. 
   * The password property is set at run time before calling the method
   * <code>execute</code>.  It is not usually part of the serialized state 
   * of a <code>RowSet</code> object.
   *
   * @return the password for making a database connection
   * @see #setPassword
   */
  String getPassword();

  /**
   * Sets the database password for this <code>RowSet</code> object to
   * the given <code>String</code>.
   *
   * @param password the password string
   * @exception SQLException if a database access error occurs
   * @see #getPassword
   */
  void setPassword(String password) throws SQLException;

  /** 
   * Retrieves the transaction isolation level set for this
   * <code>RowSet</code> object.
   *
   * @return the transaction isolation level; one of
   *      <code>Connection.TRANSACTION_READ_UNCOMMITTED</code>,
   *      <code>Connection.TRANSACTION_READ_COMMITTED</code>,
   *      <code>Connection.TRANSACTION_REPEATABLE_READ</code>, or
   *      <code>Connection.TRANSACTION_SERIALIZABLE</code>
   * @see #setTransactionIsolation
   */
  int getTransactionIsolation();

  /**
   * Sets the transaction isolation level for this <code>RowSet</code> obejct.
   *
   * @param level the transaction isolation level; one of
   *      <code>Connection.TRANSACTION_READ_UNCOMMITTED</code>,
   *      <code>Connection.TRANSACTION_READ_COMMITTED</code>,
   *      <code>Connection.TRANSACTION_REPEATABLE_READ</code>, or
   *      <code>Connection.TRANSACTION_SERIALIZABLE</code>
   * @exception SQLException if a database access error occurs
   * @see #getTransactionIsolation
   */