"IDs" is a valid name for them. Same as "identities".
"Indexes", on the other hand, are a means of storing parts of a table in a separate structure, to speed up looking up the data from the table. (That's an oversimplification, but it goes in the right direction.) Just like the index of a book, really.
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
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