[oarabbus_]

That's a fantastic example because an all-caps constant actually does have a different meaning than the same word spelled in lowercase, and all the more reason to not capitalize keywords in SQL (Structured Query Language, being an acronym, is proper to capitalize)

[jolmg]

Could you fill out the following sentence, please?

When an identifier is written in all-caps, it generally _____ that it's a constant.

I feel like you're just, in bad faith, refusing to acknowledge that the word "meaning" doesn't have to be in any way related to language enforcement. Are you trying to argue for the sake of arguing?