When and what data should be cached?

Question

I want to know when should I cache data?

Should I cache ListViews? or DetailViews? What kind of data do I need to cache and does the amount of data matter?

When to cache?

When not to cache?

I want to know when should I decide to cache data?

P.s: I don't want to know how to cache, what I want to know is when to cache.

Answer 1

its better to cache Base Information and do not cache transaction tables