Better to use a Clustered index or a Non-Clustered index with included columns?

Question

When I look at the execution plan for a particular query I find that 77% of my cost is in a Clustered Index seek.

Does the fact that I\'m using a clustered index m

Answer 1

It depends on how many columns you are talking about, if a couple then yes, a non clustered index will perform better, if you are selecting most of the columns the clustered index is better.