> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wandb.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Query Expression Language overview

> A beta query language to select and aggregate data in W&B

Use the query expressions to select and aggregate data across runs and projects.
Learn more about [query panels](/models/app/features/panels/query-panels).

<Tip>
  See the public [Query panel examples report](https://wandb.ai/luis_team_test/weave_example_queries/reports/Query-Panel-Examples---Vmlldzo1NzIxOTY2) for interactive examples. For details about creating panels, stepping through run history, and configuration options such as **Concat** and **Paginate**, see the [Query panels overview](/models/app/features/panels/query-panels).
</Tip>

## Data Types

* [artifact](./query-panel/artifact)
* [artifactType](./query-panel/artifact-type)
* [artifactVersion](./query-panel/artifact-version)
* [audio-file](./query-panel/audio-file)
* [bokeh-file](./query-panel/bokeh-file)
* [boolean](./query-panel/boolean)
* [entity](./query-panel/entity)
* [file](./query-panel/file)
* [float](./query-panel/float)
* [html-file](./query-panel/html-file)
* [image-file](./query-panel/image-file)
* [int](./query-panel/int)
* [joined-table](./query-panel/joined-table)
* [molecule-file](./query-panel/molecule-file)
* [number](./query-panel/number)
* [object3D-file](./query-panel/object-3-d-file)
* [partitioned-table](./query-panel/partitioned-table)
* [project](./query-panel/project)
* [pytorch-model-file](./query-panel/pytorch-model-file)
* [run](./query-panel/run)
* [string](./query-panel/string)
* [table](./query-panel/table)
* [user](./query-panel/user)
* [video-file](./query-panel/video-file)