3 ms·
How could temporal information be used to infer the size of the dataset for all users? Specifically, more accurately than “I now know that this database was cre
by CGamesPlay 3y ago
How could temporal information be used to infer the size of the dataset for all users? Specifically, more accurately than “I now know that this database was created in 2022”.
- iwwr 3y agoSequential serial numbers reveal information. See: https://en.m.wikipedia.org/wiki/German_tank_problem https://en.m.wikipedia.org/wiki/German_tank_problem
- CGamesPlay 3y agoYes. How could temporal information be used to infer the size of the database? To clarify this a bit, UUID v7 (or the existing ULID) are timestamps with random bytes at the end. You can learn when a UUID v7 was created. How do you infer the total size of the database from this information?
- tgv 3y agoI use uuids in links. Using sequential ids gives people access to information they shouldn't see. Unfortunately, the link has to be publicly accessible. Then UUIDs become a very practical key for your records. That said, the number of times those records are accessed is low, so there are no performance considerations.