tldr/pages/common/usql.md

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# usql
> Universal CLI interface for SQL databases.
> More information: <https://github.com/xo/usql>.
- Connect to a specific database:
`usql {{sqlserver|mysql|postgres|sqlite3|...}}://{{username}}:{{password}}@{{host}}:{{port}}/{{database_name}}`
- Execute commands from a file:
`usql --file={{path/to/query.sql}}`
- Execute a specific SQL command:
`usql --command="{{sql_command}}"`
- Run an SQL command in the `usql` prompt:
`{{prompt}}=> {{command}}`
- Display the database schema:
`{{prompt}}=> \d`
- Export query results to a specific file:
`{{prompt}}=> \g {{path/to/file_with_results}}`
- Import data from a CSV file into a specific table:
`{{prompt}}=> \copy {{path/to/data.csv}} {{table_name}}`