docs: improve description of how to handle multiple databases

Bruce Momjian <bruce@momjian.us>

Commit: 190fb57c4423f2ef64358f090a828e5fc29a1566
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-08-22T00:23:09Z
Releases: 9.6.20
docs:  improve description of how to handle multiple databases

This is a redesign of the intro to the managing databases chapter.

Discussion: https://postgr.es/m/159586122762.680.1361378513036616007@wrigleys.postgresql.org

Author: David G. Johnston

Backpatch-through: 9.5

Files

PathChange+/−
doc/src/sgml/manage-ag.sgml modified +37 −17

Documentation touched