Based on all the requirements of your project (current and expected) with respect to the information you want to store/maintain and your business rules relating to it, look at whether the functionality provided by each technology/method satisfies your requirements. How else would you determine a choice between candidates if not by comparing their features/functionality against given requirements and/or desires?

In a "simple" case such as a typical contact form, I would expect for some advice based on developing similar piece of software.

My comment was advice. Maybe unexpected, but still advice. If there is nothing more to it then it being a "simple" case, then choose either of the three. The differences between them won't matter much in simple cases. Your question sounds very much like "Which car should i use if i want to drive around the road a bit: a sedan, a station wagon, or a minivan?" The answer is, of course: "Take any one you like that's available to you." What deeper insights do you expect?

I don't know if you are right that there would be no benefit for using one above the other for a simple contact form so I can't reply about any "expected deeper insights".