You'll never say a phone number like 738-3929 out loud? Short identifiers are us... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		trothamel on June 9, 2017 \| parent \| context \| favorite \| on: Be Careful with UUID or GUID as Primary Keys You'll never say a phone number like 738-3929 out loud? Short identifiers are useful in a lot of places. I work in IOT, and it's nice to have a short device id when we need to troubleshoot something.

edejong on June 9, 2017 | [–]

Where I come from, our tables go towards a billion rows, so there's copying of keys regardless of whether it's uuid or sequential id.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact