Simple row saving through link with Drupal 7
take a look at the Favourites module:


  Favorites provides a tiny block that allows users to easily bookmark
  any content of the site.


or the Flag module:


  Flag is a flexible flagging system that is completely customizable by
  the administrator. Using this module, the site administrator can
  provide any number of flags for nodes, comments, users, and any other
  type of entity. Some possibilities include bookmarks, marking
  important, friends, or flag as offensive. With extensive views
  integration, you can create custom lists of popular content or keep
  tabs on important content.