I'm a Lotus Notes newbie. What is the difference between embedded views and pages and forms? Is there any type of database connectivity in Lotus Notes? How is the data fetched from a form in Notes?
This is too big a question to answer in the space allotted. I think what you need is a book. Actually, two books, which you can read free online: I can also recommend the following:

This was first published in February 2005