I have a registration form that will be used for group registration that I will put out in the web.
There will be just one person entering the members of the group. The members will however have their own unique Id when they will be inserted to the database;however, for integrity, Id like these members share a common ID or group ID qo can use it for query later..
What are ways to create a groupID and what info can I use to ensure uniqueness among other groups entered by other people?
What ways to generate the ID ? I welcome ideas. thanks
It should be something that cannot be tampered or duplicated.