Data roles table
The 
    DEPM_MOD_DATAROLE table specifies OLAP
      permissions. | Name | Definition | 
|---|---|
| ModelName | nvarchar(50) NOT NULL; PK | 
| Name | nvarchar(50) NOT NULL; PK | 
| Description | nvarchar(150) NULL | 
| Permissions | int NULL | 
These flags represent OLAP permissions.
- 0 or NULL: No permission
 - 1: View OLAP
 - 2: View OLAP and write values
 
The table has these references:
| Source columns | Target table | Target columns | 
|---|---|---|
| ModelName | _model | Name |