dnf module list postgresql By default, in case you proceed with the installation, the install commands will install PostgreSQL version 10. Step 2: Check for Any Existing Default Versions Before any new installations, it is important to check the available default versions of PostgreSQL. The following packages are required to build PostgreSQL. It's time to install PostgreSQL on your CentOS machine. Normally you need to do this step as root. Make sure that you have appropriate permissions to write into that area.
PostgreSQL can be run on most modern Unix-compatible platforms, and this host CentOS 7.6 meets the requirements. To install PostgreSQL enter: make install This will install files into the directories that were specified in Step 1. In this article, we will do a source installation of PostgreSQL 13.3 on a CentOS 7.6 host and use it briefly. This is achieved by starting a new process for each connection, and the new process does not affect the work of the original postgres process. The PostgreSQL server can handle concurrent connections from clients at the same time. The server and client processes can be located on the same host or on different hosts, and if they are located on different hosts, they communicate over TCP/IP.
The server-side process (called postgres) manages the database files, receives connections from the client, and performs database operations on behalf of the client the client-side process initiates connections to the server and sends database operation commands. PostgreSQL is an open source Object-Relational Database Management System (ORDBMS), based on the original POSTGRE source code from the University of California, Berkeley, which supports most SQL standards and offers many modern features.
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