TLDR Search

Enter a command. For example: unflatten, f3probe, kotlin, openssl dgst.

psql

PostgreSQL command-line client. More information: https://www.postgresql.org/docs/current/app-psql.html.

• Connect to the database. It connects to localhost using default port 5432 with default user as 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}} -p {{port}} -U {{username}} {{database}}
   
• Connect to the 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 (useful in shell scripts):
   
  psql -c '{{query}}' {{database}}
   
• Execute commands from a file on the given database:
   
  psql {{database}} -f {{file.sql}}