Hello!
I think something is wrong (PG12 is used as an example):
[#] cat /etc/os-release
NAME="Oracle Linux Server"
VERSION="8.0"
...
[#] dnf install
https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
...
Installed:
pgdg-redhat-repo-42.0-5.noarch
Complete!
[#] dnf install postgresql12
....
No match for argument: postgresql12
Error: Unable to find a match
[#] dnf search postgresql12
Last metadata expiration check: 0:01:00 ago on Fri Nov 1 22:03:17 2019.
postgresql12-debugsource.x86_64 : Debug sources for package postgresql12
postgresql12-debuginfo.x86_64 : Debug information for package postgresql12
postgresql12-libs-debuginfo.x86_64 : Debug information for package
postgresql12-libs
postgresql12-test-debuginfo.x86_64 : Debug information for package
postgresql12-test
postgresql12-devel-debuginfo.x86_64 : Debug information for package
postgresql12-devel
postgresql12-pltcl-debuginfo.x86_64 : Debug information for package
postgresql12-pltcl
postgresql12-plperl-debuginfo.x86_64 : Debug information for package
postgresql12-plperl
postgresql12-server-debuginfo.x86_64 : Debug information for package
postgresql12-server
postgresql12-contrib-debuginfo.x86_64 : Debug information for package
postgresql12-contrib
postgresql12-llvmjit-debuginfo.x86_64 : Debug information for package
postgresql12-llvmjit
postgresql12-plpython-debuginfo.x86_64 : Debug information for package
postgresql12-plpython
postgresql12-plpython3-debuginfo.x86_64 : Debug information for package
postgresql12-plpython3
postgresql12-libs.x86_64 : The shared libraries required for any
PostgreSQL clients
postgresql12-odbc.x86_64 : PostgreSQL ODBC driver
postgresql12-devel.x86_64 : PostgreSQL development header files and
libraries
postgresql12-llvmjit.x86_64 : Just-in-time compilation support for
PostgreSQL
postgresql12-plpython.x86_64 : The Python procedural language for PostgreSQL
--
Grigory Smolkin
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
