look at it this way :
the database is not for the asp.net application its for your program.
so the design of the database will depend on what your program is doing...
after taking the program into consideration, you should look at other aspects...
lemme know if you need further help..
happy coding...
"Rejoice always, pray without ceasing, in everything give thanks; for this is the will of God in Christ Jesus for you."[i]1Thess. 5:16-18[/i]