Daily DAX : Day 8 INFO.TABLEPERMISSIONS

 

Understanding Power BI DAX: The INFO.TABLEPERMISSIONS Function

What is INFO.TABLEPERMISSIONS?

In Power BI's Data Analysis Expressions (DAX) language, the INFO.TABLEPERMISSIONS function is a powerful tool for analyzing table permissions within your data model. It returns a table that provides detailed information about the permissions granted to different users or groups for a specific table.

Syntax and Parameters

The syntax for the INFO.TABLEPERMISSIONS function is:

INFO.TABLEPERMISSIONS(table)


Where:

  • table: The table for which you want to retrieve permission information.

Returned Table Columns

The returned table has the following columns:

  • User Principal Name (UPN): The unique identifier of the user or group.
  • Permission Level: The level of permission granted to the user or group. Possible values include:
    • Read: The user or group can read data from the table.
    • Write: The user or group can modify data in the table.
    • ReadWrite: The user or group can both read and modify data.
  • Is Default: Indicates whether the permission is the default permission for the table.

Example Usage

Let's assume you have a table named "SalesData" and you want to find out who has read and write permissions to this table. You can use the following DAX formula:

TablePermissions = INFO.TABLEPERMISSIONS(SalesData)

The TablePermissions table will contain a list of users or groups along with their respective permission levels.

Key Points to Remember

  • INFO.TABLEPERMISSIONS is used to retrieve information about table permissions in Power BI.
  • The function returns a table with columns for user principal name, permission level, and whether the permission is the default.
  • You can use this function to analyze and manage permissions for your data model.

Additional Considerations

  • The INFO.TABLEPERMISSIONS function is useful for understanding and auditing permissions in your Power BI model.
  • You can use this function in combination with other DAX functions to create custom reports or dashboards related to permissions.
  • Keep in mind that permissions can be complex and may vary depending on your organization's security settings.

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