install postgres 12 in centos 7 code example

Example 1: install postgresql centos 5

# centos 5 32bit
rpm -Uvh http://yum.postgresql.org/9.1/redhat/rhel-5-i386/pgdg-centos91-9.1-4.noarch.rpm
yum install postgresql91-server
/etc/init.d/postgresql-9.1 initdb
service postgresql-9.1 start
chkconfig postgresql-9.1 on

Example 2: how to install postgresql on centos 7

yum list postgresql*

Example 3: how to install postgresql on centos 7

sudo yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm