# Actions on datasets
When pointing your mouse over your datasets, several actions are available to manage or sort them.
Dataset based on a local file:
Dataset based on a database, Amazon S3, or Salesforce:
The table below describes the different actions that you can perform on your datasets.
| Icon | Action | Description |
| --- | --- | --- |
|  | Rename your dataset | After typing the new name of your dataset, click the green
check icon to validate. |
|  | Share your dataset | Use this button to make your datasets accessible to the other
members of your organization. They will be able to open and add preparations on your
datasets. |
|  | Apply an existing preparation on your dataset | When you add a dataset with a schema that is identical to
another dataset you already have, you can apply an existing preparation to
it. |
|  | Overwrite your dataset with another file | If the local file you used as a dataset has changed since you
created the dataset, you can refresh this dataset with the latest data. |
|  | Edit your dataset | This button opens a menu where you can modify the parameters that you entered
to access a dataset located on a database for example. You can also change the name
of the dataset. |
|  | Copy your dataset | You can duplicate a dataset if you need more than one copy of
the same dataset. You will find the new copy at the top of the Datasets list. |
|  | Delete your dataset | A confirmation dialog opens before deleting the
dataset. |
|  | Certify your dataset | When doing collaborative work, user with their role set as
Administrator can certify a dataset to
indicate that this dataset has been validated. Clicking a first time on this icon
will put the dataset in a "certification pending" state. Click one more time to
certify the dataset. |
|  | Add a dataset to your favorites | Adding a dataset to your favorites makes it easier for you to
find when creating a new preparation based on your datasets. |