# Data preparation reference
URL: https://docs.datarobot.com/en/docs/workbench/nxt-workbench/dataprep/data-faq/index.html

> Reference material for data workflows in Workbench, including considerations and frequently asked questions (FAQs).

# Data preparation reference

## FAQ

### Add data

### Wrangle data

## Feature considerations

### Add data

Consider the following when adding data:

- There is currently no image support in previews.

### Wrangle data

Consider the following when wrangling data:

- Profile cannot be customized and is limited to sample-based profiles.
- Wrangling does not support query type datasets (i.e., a dataset built from a query).
- Self-managed: You can wrangle Data Registry datasets of up to 20GB.
- Managed SaaS (multi-tenant SaaS and AWS single-tenant SaaS deployments): You can wrangle Data Registry datasets of up to 100GB.

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