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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}}

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