I don't know why you got downvoted, because it's a valid question. But apart from what mulmen mentioned regarding partitioning and clustering out of the box, I

I don't know why you got downvoted, because it's a valid question. But apart from what mulmen mentioned regarding partitioning and clustering out of the box, I have my opinion. Having worked in large finance institutions, there's (unfortunately) the mentality that if your software is backed by a large organisation (Microsoft, Oracle) then it is somehow more credible.