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
This commit is contained in:
Agniva De Sarker 2016-08-08 12:41:27 +05:30 committed by Leandro Ostera
parent f6a41ecee9
commit 5f43335dc6

View File

@ -2,22 +2,22 @@
> PostgreSQL command-line client.
- Connect to *database*. It connects to localhost using default port *5432* with default user:
- 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 *username* given, no password prompt:
- 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:
- Connect to database; user will be prompted for password:
`psql -h {{host}} -p {{port}} -U {{username}} -W {{database}}`
- Run single *query* against the given *database*. Note: useful in shell scripts:
- Execute a single SQL query or PostgreSQL command on the given database. Note: useful in shell scripts:
`psql -c '{{query}}' {{database}}`
- Run several queries against the given *database*. Note: useful in shell scripts:
- Execute commands from a file on the given database:
`echo '{{query1}}; {{query2}}' | psql {{database}}`
`psql {{database}} -f {{file.sql}}`