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Read (or View) access level
User with read access can only view the dataset. No modifications can be made to the original data. But they can build dashboard using the dataset.
Edit (or Modify) access level
Users with Edit access level can make changes to a dataset. They can add/modify more data to an dataset. They can build dashboard using the dataset. But, they cannot share the dataset to others.
Full Control access level
Users with full control can do below listed action on dataset and screen may look like below
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