Informix serial Numbers work really well as generalized keys, and I am a fan of using a serial number column on all dimension tables.

Informix的序号很适合作为通用键，并且我非常热衷于在每个维度表中使用序号列。

youdao

But Youmi's software gathered information about the people who downloaded the apps, including their email addresses and iPhone serial Numbers — sending all that data to Youmi's servers.

但是有米的软件从下载了它的使用者哪里收集了信息，包括电子邮箱和电话序列号，并且将所有数据穿回给有米的服务器。

youdao