should i add logging and Entity framework?

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logging

entity-framework

hello,

I am starting to create a new game in asp.net MVC 4(web based), but i don't have any knowledge if i should use a logging system and an Entity Framework or LINQ to SQL for the connection to database since i haven't worked with them before.

Should i use them? the game will get very big and if i need to add them then i will add them from the beginning.

What Logging should i use?
What Entity Framework? I think I will use MySql database, should i go with LINQ and MSSql database?


Thanks