Answer:
While CLOB/NCLOB types may seem attractive, they are not nearly as efficent as [N]VARCHAR for most of the functions you would usually want to run on them, and anyone who can't comment in 2000 or 4000 characters isn't likey to generate a comment you'd want to use anyway.
copied from google
hope that helps
They don't really require one.
Answer:
For many years, opponents of multiple inheritance have argued that it adds complexity and ambiguity to situations like the "diamond dilemma," in which it's unclear which parent class a certain feature is inherited from if more than one parent class implements the same feature.
Explanation:
I agree with this theory to some degree mostly do to the fact that public schools are the main way to learn in most countries
Answer:
use the first graph to help you find out
