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cheatsheet-tldr/tldr/psql
2025-09-09 00:19:24 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# psql
> PostgreSQL client.
> More information: <https://www.postgresql.org/docs/current/app-psql.html>.
- Connect to the database. By default, it connects to the local socket using port 5432 with the currently logged in user:
`psql {{database}}`
- Connect to the database on given server host running on given port with given username, without a password prompt:
`psql {{[-h|--host]}} {{host}} {{[-p|--port]}} {{port}} {{[-U|--username]}} {{username}} {{database}}`
- Connect to the database; user will be prompted for password:
`psql {{[-h|--host]}} {{host}} {{[-p|--port]}} {{port}} {{[-U|--username]}} {{username}} {{[-W|--password]}} {{database}}`
- Execute a single SQL query or PostgreSQL command on the given database (useful in shell scripts):
`psql {{[-c|--command]}} '{{query}}' {{database}}`
- Execute commands from a file on the given database:
`psql {{database}} {{[-f|--file]}} {{path/to/file.sql}}`