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To find the Postgres server version from the shell command line, simply issue a postgres command with the -V flag (for version): $ postgres -V postgres (PostgreSQL) 9.3.10 In the event that the postgres command is not found, you may need to locate the directory of the utility. This ca...
The last and easiest way to show all databases in PostgreSQL is through a database client, such asDbVisualizer. This powerful, feature-rich tool gives you what you need to visually connect and manage your Postgres databases. In detail, DbVisualizer is aPostgreSQL clientwith extended support for...
In Postgres, to extract a database into a script file or other archive file, a utility called “pg_dump” is used. A crucial advantage of this utility is that you can restore its dumps on newer versions of PostgreSQL or on machines with different architectures. Other backup methods, like ...
On the first node only, aspostgresuser modify thepostgresql.conffile. The steps below are used for creating a replicated database instance for use with promotablepgsqlpacemaker resource: Below are the settings which should be included, and these can be appended to the bottom of the configuration...
To back up allPostgreSQLdatabases, use thepg_dumpalltool as shown. $ pg_dumpall > all_pg_dbs.sql You can restore the dump usingpsqlas shown. $ psql -f all_pg_dbs.sql postgres Restoring a PostgreSQL Database To restore aPostgreSQLdatabase, you can use thepsqlorpg_restoreutilities.psqlis...
Then, they set thejdbc_driver_class, whose value is specific to the JDBC library, and provide ajdbc_connection_string, which details how to connect to the database. Thejdbc:part signifies that it is a JDBC connection, whilepostgres://indicates that the target d...
If you can’t find it there, use the following command in the Terminal to find out where Postgres is installed on your Mac: brew info postgres This will show you more information about the Postgres package installed by Homebrew, including the location of the data directory and the configuratio...
If you can’t find pg_config on your OS, you will need to install a Postgres client first. After you ensure pg_config is available on your system, go ahead and install “psycopg2”: # pip install psycopg2 Installing Django Once we’ve activated the virtual environment, we can install Dja...
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