sql: DELETE + INSERT vs UPDATE + INSERT

Question

A similar question has been asked, but since it always depends, I\'m asking for my specific situation separately.

I have a web-site page that shows some data that co

Answer 1

It partly depends on how the data is accessed. If you have a period of time with no (or very few) users accessing it, then there won't be much impact on the data disappearing (between the DELETE and the completion of the INSERT) for a short while.