$ psql thegeekstuff psql (9.6.1) Type "help" for help. In this tutorial, you will learn how to connect to PostgreSQL from the command line using psql or pgAdmin. psql. First, you should connect to the newly created “thegeekstuff” database using the psql command as shown below. Now that you have Postgres installed, open the psql as − Program Files → PostgreSQL 9.2 → SQL Shell(psql). Psql Tweet What is psql. * It listed all the available relations. thegeekstuff=# Note: The above command will take you to the postgreSQL prompt “=#”. Type your alias from the command line. The $ starting a command line in the examples below represents your operating system prompt. Use psql to edit, automate, and execute queries in PostgreSQL. But in any case, the arguments of a meta-command cannot continue beyond the end of the line. Using psql, you can generate a complete list of commands by using the \help command. Tables are an example for relations. Meta-Commands. Prompt 1 is the normal prompt that is issued when psql requests a new command. Theres an abundance of flags available for use when working with psql, but lets focus on some of the most important ones, then how to connect:-h the host to connect to-U the user to connect with-p the port to connect to (default is 5432) pgAdmin is a web interface for managing PostgreSQL databases. For example:alias postygresy='psql --host hostname database_name -U username' The values should match those that you inputted to the ~/.pgpass file. A basic working knowledge of database management systems and SQL commands for the psql PostgreSQL interface. Prompt 2 is issued when more input is expected during command entry, for example because the command was not terminated with a semicolon or a quote was not closed. Create an alias in your bash profile that runs your psql command for you. On Windows it might look like C:\Program Files\PostgreSQL> but Windows prompts are also configurable. This psql command is used to describe available relations in the database. This set of commands is taken from the psql command-line tool. Prompts are configurable so it may well not look like this. psql is the standard PostgreSQL application to work with databases; It uses a superset of standard SQL; It can be interactively like DBaccess, or in scripts like sqlcmd; Common psql Command Line Options-A, –no-align: set output to non-aligned, no padding-c sql, –command sql: execute the sql command and then exit It has the ability to run an entire script of commands, known as a “Bash shell script”. )-l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS); Most \d commands support additional param of __schema__.name__ and accept wildcards like *. ~/.bashrc or similar. I recently started to create UNIX / LINUX Bash Shell script for enhancing my PostgreSQL DBA Work. $ psql -U sampleuser -h localhost A line starting with # represents a comment. That way SQL and psql commands can be freely mixed on a line. For the syntax of a specific command, use the following command − share | improve this answer | follow | In addition to being able to submit raw SQL queries to the server via psql you can also take advantage of the psql meta-commands to obtain information from the server. In the following example, we have run \d command on mydb database. Psql is the interactive terminal for working with Postgres. PostgreSQL must be properly installed and working with access to its psql command line interface in order to execute the psql examples explained in this tutorial. Source your bash profile with . In this tutorial, we will learn how to answer these key questions from the command line using psql. 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