OpenID: How to best associated Multiple OpenID Accounts to one User?

Question

I am a newbie in openID. I spend a lot of time thinking what the best-practices are to give the user the choice, to login with various OpenID enabled accounts.

(I have

Answer 1

have a table in your database with the user accounts, which includes a user id and have a link table, that links an OpenID to an user id.

like

table users

ID NAME

1 PIET

2 KEES

and

table openid

OPENID USERID

http://..... 1

http://..... 1

http://..... 2

http://..... 2