[rvitorper]

Postgres. It was also a single instance, which made it significantly easier. But nice to know that this is an issue on SQL Server

[masklinn]

Postgres is not immune to uuid issues, just less sensitive, uuidv4 still does not play well with btree indexes, bloating them and impacting their performance.

[ahoka]

Do you also require your users to register in the alphabetical order of their names?

[rkomorn]

New viral marketing idea just dropped: registration open to b-names only! Get in now before you lose your chance forever to the c-names!