Memebership : Can I create one account for several users ?

I?m using the sqlmembershipprovider with the following definition in the config.web file : 
<membership defaultProvider="AspNetSqlMembershipProvider"/>

 
All is working fine.   I also created a user account (?myaccount?) and I assigned a role to it (?myrole?).  This account, "myaccount",  is used by several users. I would like to know if the se ...