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Re: pg_catalog tables don't have constraints?

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kbrannen@xxxxxxxxxx schrieb am 09.06.2017 um 20:57:
Neil Anderson <neil@xxxxxxxxxxxxxxxxxxx> wrote:

I've been exploring the pg_catalog tables and pointed a couple of tools at
it to extract an ER diagram for a blog post. At first I thought it was a bug
in the drawing tool but it appears that the relationships between the
pg_catalog tables are implicit rather than enforced by the database, is that correct?

Every time I have to dive into the pg_* tables, I really want such a diagram because
the relationships aren't obvious to me, so I've been looking for a diagram like that
and haven't found one.

https://wiki.postgresql.org/wiki/Developer_FAQ#Is_there_a_diagram_of_the_system_catalogs_available.3F





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