# Maintaining Data

**Toucan DataHub is the place where the data lives in the App**: you will be able to connect to datasources, add data to your app, prepare data, modify it, optimize it, remove it and a bunch of other cool features!

As your app data grows, maintaining it will become a critical stake. The DataHub will provide just the right tools to help you manage your data.

<table data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td></td><td><a data-mention href="maintaining-data/tagging-datasets">tagging-datasets</a></td><td></td></tr><tr><td></td><td><a data-mention href="maintaining-data/identifying-datasets-dependencies">identifying-datasets-dependencies</a></td><td></td></tr><tr><td></td><td><a data-mention href="maintaining-data/set-validation-rules">set-validation-rules</a></td><td></td></tr></tbody></table>

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