How do I construct an ODBC DSN-less connection string for the Databricks ODBC Driver, including the necessary authentication and capability settings?
To construct an ODBC DSN-less connection string for the Databricks ODBC Driver, follow the format below:

```
Driver=<path-to-driver>; Host=<server-hostname>; Port=443; HTTPPath=<http-path>; SSL=1; ThriftTransport=2; <setting1>=<value1>; <setting2>=<value2>; <settingN>=<valueN>
```

- `<path-to-driver>`: The path to the Databricks ODBC Driver. You can download and install the driver from the Databricks documentation.
- `<server-hostname>` and `<http-path>`: These values can be found in the Compute settings for the Databricks ODBC Driver.
- `<setting>=<value>`: These are pairs of authentication settings and any special or advanced driver capability settings. You can find more information about these settings in the Databricks documentation or your provider’s documentation.

For example, your connection string might look like this:

```
Driver=/opt/simba/databricks/odbc/lib/libDatabricksODBC.so; Host=dbc-<workspace-id>.<azure-region>.azuredatabricks.net; Port=443; HTTPPath=databricks/api/1.2; SSL=1; ThriftTransport=2; UID=<databricks-username>; PWD=<databricks-password>; AuthMech=3; UseNativeQuery=1
```

Replace the placeholders (`<workspace-id>`, `<azure-region>`, `<databricks-username>`, and `<databricks-password>`) with your actual Databricks workspace ID, Azure region, Databricks username, and Databricks password.

To use your DSN-less connection string with your target app, tool, client, SDK, or API, refer to the Technology partners or your provider’s documentation.