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Concepts → Miscellaneous System Variable

About a miscellaneous system variable

There is just one miscellaneous system variable:

Variable Data Type Description Example
$user string The lowercase login name for the user myadmin

When you sign in to the Analytics Service, the Analytics Service creates a user session. A user session can contain session variables as well as other system variables. Most session variables are immutable once a value has been assigned. The $user system variable is immutable as a user’s login name can not be modified.

The $user system variable has some usage restrictions. For example, it is not possible to reference the $user system variable in a formula expression for a physical schema table formula column.


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