On Tue, Feb 1, 2022 at 8:15 PM Дмитрий Иванов <firstdis...@gmail.com> wrote:

> Why are COLUMN GENERATED ALWAYS AS called "methods" and singled out as a
> separate field type?
>

This sounds like you are describing something written.  Can you provide a
link to where that is?

Is there a common name in the community for the approach in which the data
> schema is presented as data?
>

Which community?  There are many ways in which a "data schema [can be]
presented as data".  In PostgreSQL there is only a single source of truth
for what the data schema is - the "System Catalogs" [1].  Those tables are
made available to the user in the pg_catalog schema.

[1] https://www.postgresql.org/docs/current/catalogs.html

David J.

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