docs-v2/content/shared/influxdb3-cli/query.md

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Markdown

The `influxdb3 query` command executes a query against a running
{{< product-name >}} server.
## Usage
<!--pytest.mark.skip-->
```bash
influxdb3 query [OPTIONS] --database <DATABASE_NAME> [QUERY]...
```
##### Aliases
`query`, `q`
## Arguments
- **QUERY**: The query string to execute.
## Options
| Option | | Description |
| :----- | :----------- | :--------------------------------------------------------------------------------------- |
| `-H` | `--host` | Host URL of the running {{< product-name >}} server (default is `http://127.0.0.1:8181`) |
| `-d` | `--database` | _({{< req >}})_ Name of the database to operate on |
| | `--token` | Authentication token |
| `-l` | `--language` | Query language of the query string (`sql` _(default)_ or `influxql`) |
| | `--format` | Output format (`pretty` _(default)_, `json`, `json_lines`, `csv`, `parquet`) |
| `-o` | `--output` | Output query results to the specified file |
| `-h` | `--help` | Print help information |
### Option environment variables
You can use the following environment variables to set command options:
| Environment Variable | Option |
| :------------------------ | :----------- |
| `INFLUXDB3_HOST_URL` | `--host` |
| `INFLUXDB3_DATABASE_NAME` | `--database` |
| `INFLUXDB3_AUTH_TOKEN` | `--token` |
## Examples
- [Query data using SQL](#query-data-using-sql)
- [Query data using InfluxQL](#query-data-using-influxql)
- [Query data and return JSON-formatted results](#query-data-and-return-json-formatted-results)
- [Query data and write results to a file](#query-data-and-write-results-to-a-file)
In the examples below, replace
{{% code-placeholder-key %}}`DATABASE_NAME`{{% /code-placeholder-key %}}:
with the name of the database to query.
{{% code-placeholders "DATABASE_NAME" %}}
### Query data using SQL
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```bash
influxdb3 query --database DATABASE_NAME 'SELECT * FROM home'
```
### Query data using InfluxQL
<!--pytest.mark.skip-->
```bash
influxdb3 query \
--language influxql \
--database DATABASE_NAME \
'SELECT * FROM home'
```
### Query data and return JSON-formatted results
<!--pytest.mark.skip-->
```bash
influxdb3 query \
--format json \
--database DATABASE_NAME \
'SELECT * FROM home'
```
### Query data and write results to a file
<!--pytest.mark.skip-->
```bash
influxdb3 query \
--output /path/to/results.txt \
--database DATABASE_NAME \
'SELECT * FROM home'
```
{{% /code-placeholders %}}