Database Reference
In-Depth Information
Expiring columns can be useful in situations where we don't want data to stick around
forever. For instance, we may want to generate a password reset link using a random
token that is emailed to a user. We might want that token to only work for 24 hours, to re-
duce the risk that it's used by someone else besides the user requesting the password reset.
Expiring columns give us a seamless way to accomplish this.
