![]() – To connect to a specific database on your PostgreSQL database server you can the below command \c followed by the name of your database: postgres=# \c postgres ![]() Template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + Template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + Postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | Name | Owner | Encoding | Collate | Ctype | Access privileges – To list all the databaes on your PostgreSQL database server just run one of the following commands: postgres=# \list – To change the password of postgres role you can use: postgres=# \password postgres You are connected to database "postgres" as user "postgres" via socket in "/var/run/postgresql" at port "5432". – To check log info use the below comand: postgres=# \conninfo – To connect to the PostgreSQL database server, use the following commands: ~# su -l postgres – After installing PostgreSQL 11 database server, by default PostgreSQL, will create a system account user named postgres with role postgres. – Use the below commands to start, enable the PostgreSQL 11 and check its status – Now that the database packages have been installed, Initialize the database by running the following command: # sudo /usr/pgsql-11/bin/postgresql-11-setup initdb Step 2: Install PostgreSQL # sudo yum install postgresql11-server – Add PostgreSQL yum repository # yum install -y In this article, we are going to show you how to install PostgreSQL 11 (Postgres) database on CentOS 7 or RHEL 7. Unlike other relational database systems, PostgreSQL (Postgres) allows users to create unique operators, complex data types, aggregate functions, data type conversion character, and other various database objects through the SQL function. usr/pgsql-12/bin/postgresql-12-setup initdbīy default, a connection to the postgres database with the postgres user via localhost is provided via port 5432.PostgreSQLis a powerful, open source object-relational database system ( ORDBMS ). Use the following command to start the database. In other words, this will create a data directory and other configuration files on your system. ![]() Postgresql12-libs x86_64 12.0-1PGDG.rhel8 pgdg12 390 kĪfter that, you must start the PostgreSQL instance. Last metadata expiration check: 0:05:25 ago on Mon 12:06:20 PM CEST. Yum install postgresql12-server postgresql12
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