> For the complete documentation index, see [llms.txt](https://docs.e6data.com/query-engine/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.e6data.com/query-engine/guides/deployment/aws-serverless/run-first-query.md).

# Run first query

Confirm your Serverless e6data deployment on AWS works by running a query against your catalog.

With a catalog connected and a cluster running, run a query to confirm the deployment works end to end.

## Run a query

1. In the Compute Plane, open the **SQL Editor**.
2. Select the cluster you created and the catalog you connected.
3. Run a simple query against a table you can see, for example:

```sql
SELECT * FROM your_catalog.your_schema.your_table LIMIT 10;
```

4. Confirm that results return in the results pane.

If the query succeeds, your AWS Serverless deployment is working: the cluster reached your catalog metadata and read your S3 data through the cross-account role.

## If the query fails

* A `403`-style or access error usually means the cross-account IAM role is missing an S3 or Glue permission, or its ARN isn't registered. Revisit [Configure AWS access](/query-engine/guides/deployment/aws-serverless/configure-aws-access.md).
* A connection or schema error usually points to the catalog. Revisit [Connect S3 and Glue](/query-engine/guides/deployment/aws-serverless/connect-s3-and-glue.md) and use **Test Connection**.
* See [Troubleshooting](/query-engine/guides/deployment/aws-serverless/troubleshooting.md) for the full list.

## Next steps

* [Query editor](/query-engine/guides/querying/query-editor.md) - write and run queries.
* [Connect a BI tool](/query-engine/developers/bi-tool-recipes/tableau.md) - query e6data from Tableau, DBeaver, and more.
* [Create and manage clusters](/query-engine/guides/clusters/create-and-manage-clusters.md) - size, scale, and manage compute.


---

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