SQL Server heap v.s. clustered index

Question

I am using SQL Server 2008. I know if a table has no clustered index, then it is called heap, or else the storage model is called clustered index (B-Tree).

I want to lea

Answer 1

Books Online is the best source!

The whole Database Engine - Planning and Architecture - Tables and Index Data Structures Architecture is very good internal introduction.

From this link you can download a local copy of Books Online(it is free). It is the best (and official) reference to all Sql 2008 questions.