Best practice for filtering MySQL results?

There isn't one definitive answer and, in practice, if it works and runs quickly enough for your needs then you can leave it as is. Optimization is always something you can come back to.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.