Displaying information about roles

Table 4-2 lists the system procedures and functions to use to find information about roles.

**Table 4-2: Finding information about roles**
To display information about	Use	See
The role ID of a role name	role_id system function	“Finding role IDs and names”
The role name of a role ID	role_name system function	“Finding role IDs and names”
System roles	show_role system function	“Viewing active system roles”
Role hierarchies and roles that have been granted to a user or users	sp_displayroles system procedure	“Displaying a role hierarchy”
Whether one role contains another role in a role hierarchy	role_contain system function	“Viewing user roles in a hierarchy”
Whether two roles are mutually exclusive	mut_excl_roles system function	“Determining mutual exclusivity”
Roles that are active for the current session	sp_activeroles system procedure	“Determining role activation”
Whether you have activated the correct role to execute a procedure	has_role system function	“Checking for roles in stored procedures”
Logins, including roles that have been granted	sp_displaylogin system procedure	“Getting information about login accounts”
Permissions for a user, group, or role	sp_helprotect system procedure	“Reporting on permissions”