不同会员DB中的两个用户不能使用相同的电子邮件地址

Q1 - I’ve created two membership databases ( using aspnet_regsql tool ) DB1 and DB2. I then created web applications A1 and A2. A1 uses DB1 to store user credentials, while A2 uses DB2. If the user I created in A1 ( via Asp.Net WAT tool ) uses email [email protected], then none of the users created in A2 can have the same email address. But that doesn’t make sense since the two apps use different databases for storing user credentials?!Q1 - I’ve created two membership databases (