Universal CLI interface for SQL databases. More information: https://github.com/xo/usql.
usql sqlserver|mysql|postgres|sqlite3|...://username:password@host:port/database_name
usql --file=path/to/query.sql
usql --command="sql_command"
usql
prompt:prompt=> command
prompt=> \d
prompt=> \g path/to/file_with_results
prompt=> \copy path/to/data.csv table_name