# Data model viewer

View the data structure of the data that you have added to your app in the data model viewer, and view metadata about the tables and fields.

Click Data model viewer under the Prepare tab in the navigation bar to open the data model viewer.

Datenmodellansicht

Datenmodellansicht

DatenmodellansichtDatenmodellansicht ![Data model viewer.](https://help.qlik.com/de-DE/sense/November2024/Subsystems/Hub/Content/Resources/Images/ui_gen_data_model_viewer_sense.png)

See:

* [Viewing and transforming the data model](https://help.qlik.com/de-DE/sense/November2024/Subsystems/Hub/Content/Sense_Hub/DataModeling/view-data-model.htm)

* [Beste Praktiken für Datenmodelle](https://help.qlik.com/de-DE/sense/November2024/Subsystems/Hub/Content/Sense_Hub/DataModeling/best-practices-data-modeling.htm)

## Previewing data and viewing metadata

Click a table or a field in the table, and then click Preview to open the Preview panel.

See: [Vorschau von Tabellen und Feldern in der Datenmodellansicht](https://help.qlik.com/de-DE/sense/November2024/Subsystems/Hub/Content/Sense_Hub/DataModeling/preview-tables-fields-data-model-viewer.htm)

## Creating dimensions and measures from fields

Click Preview to open the Preview panel, select a field, and then click Add as dimension or Add as measure.

See:

* [Creating a master dimension from the data model viewer](https://help.qlik.com/de-DE/sense/November2024/Subsystems/Hub/Content/Sense_Hub/Dimensions/create-master-dimension-from-data-model-viewer.htm)

* [Creating a master measure from the data model viewer](https://help.qlik.com/de-DE/sense/November2024/Subsystems/Hub/Content/Sense_Hub/Measures/create-master-measure-data-model-viewer.htm)

Data model viewer tools

| UI item | Description |
| --- | --- |
| the Collapse icon | Blenden Sie alle Tabellen komplett aus, damit nur der Tabellenname angezeigt wird. |
| the Reduce icon | Verringern Sie die Größe aller Tabellen, damit der Tabellenname und alle Felder mit Verknüpfungen zu anderen Tabellen angezeigt werden. |
| the Expand icon | Blenden Sie alle Tabellen ein, damit alle Felder angezeigt werden. |
| the Scatter chart icon | Interne Tabellenansicht – das Qlik Sense-Datenmodell einschließlich der synthetischen Felder. |
| the Data model icon | Datenquellen – das Datenmodell der Quelldatentabellen. |
| the Grid View icon | Layout menu with the options Grid layout, Auto layout and Restore layout. |

VERWANDTE LERNINHALTE:

* [Introduction to the data model viewer](https://help.qlik.com/lnk/Intro_Data_Model_Viewer_QS)
* [Getting started with Qlik Sense](https://help.qlik.com/lnk/Getting_started_QS)

## Weitere Informationen

* [Introduction to the data model viewer](https://help.qlik.com/lnk/Intro_Data_Model_Viewer_QS)
* [Getting started with Qlik Sense](https://help.qlik.com/lnk/Getting_started_QS)