doc: Clarify not-null constraints in information schema

Peter Eisentraut <peter@eisentraut.org>

Commit: af2324fabf0020e464b0268be9ef03e8f46ed84b
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2023-10-04T13:03:48Z
Releases: 17.0
doc: Clarify not-null constraints in information schema

Add a bit of clarification in various places that not-null constraints
are included under check constraints in the information schema.

Files

PathChange+/−
doc/src/sgml/information_schema.sgml modified +11 −2

Documentation touched