Different users logging to the system

Am busy with the system that different users logs in so i want to know how can i a user retrieve his own info from the system to be more clear " lets say i have two users so they both have entered different info on the system and i want if user 1 logs in he can only view his own info
1 answers

Method A

Create Access Rule on entity

Create a XPATH constraint on Mydata.

Click on button owner.

Method B

Make an association to the user entity. (MyData_User)

Create a After create event on MyData that fills this association (retrieve current user, change object)

Create Access rule. Put an XPATH constraint on the MyData entity. Click on path to user.


With some extension can this method be used if groups of users can see each data, but not all.