Difference between Full & Incremental Import in MOSS 2007 Administrative Services



While configuring Porfile and Properties in Administrative Services of Share Point Server 2007 there is an option on screen Import Schedule (Full) screen Import Schedule (Incremental)

What's difference between Full & Incremental here?
  1. To perform a full import regularly so that users who have been deleted from data source can be removed from the user profile database.

  1. To perform incremental mean to specify when and how often to import information about users whose records have changed since the last update.