I have been persuaded to create a more generic table called "User" and add a column called "RoleType" to distinguish between 'Admins', 'Visitors', 'Customers', etc.
My question is, "What Data-Type should I use?"
I tend to prefer verbose data-types because looking at a column with integers in it tells someone else looking at an isolated table NOTHING!!
By contract, seeing 'Admins', 'Visitors', 'Customers', etc. in a column is pretty self-documenting when the column is called "RoleType".
The only down-side is that it is more of a pain programmatically to have to look for a string versus an integer value.
What do you think?