Apart from using features in the right way, there are certain parameters that can be tweaked based on use cases being solved by MySQL. These will be discussed in further sections, along with common reasoning for deteriorating performance for a large or small database.
Techniques
Can MySQL perform queries on billions of rows?
MySQL can perform queries on many, many rows, but it also depends on the kind of query being executed. For example, if a read query contains filtering of only the primary key being equated, then that is a kind of golden query and, yes, it will perform well, but, at the same time, if it is a range/like/regex query for a primary key, then it will perform not quite as well as the previous query.
But if a...