Files
tldr/pages/common/psql.md
Agniva De Sarker 5f43335dc6 psql: Improve page (#982)
* psql: Improve page

- Removed * , this was causing problems with rendering. The node client was
gobbling up the entire word !
- Changed 'query' to 'command' as it can be a postgres db command too.
- Used the -f flag for running multiple commands as its a better and scalable
option.

* Addressing comments

* Replacing against with on

- Mentioning the default user
2016-08-08 10:11:27 +03:00

716 B

psql

PostgreSQL command-line client.

  • Connect to database. It connects to localhost using default port 5432 with default user as currently logged in user:

psql {{database}}

  • Connect to database on given server host running on given port with given username, without a password prompt:

psql -h {{host}} -p {{port}} -U {{username}} {{database}}

  • Connect to database; user will be prompted for password:

psql -h {{host}} -p {{port}} -U {{username}} -W {{database}}

  • Execute a single SQL query or PostgreSQL command on the given database. Note: useful in shell scripts:

psql -c '{{query}}' {{database}}

  • Execute commands from a file on the given database:

psql {{database}} -f {{file.sql}}