Split DBMS privileges page

Author: renetapopova

modules/ROOT/content-nav.adoc

@@ -217,7 +217,18 @@
 *** xref:authentication-authorization/property-based-access-control.adoc[]
 *** xref:authentication-authorization/privileges-writes.adoc[]
 *** xref:authentication-authorization/database-administration.adoc[]
-*** xref:authentication-authorization/dbms-administration.adoc[]
+*** xref:authentication-authorization/dbms-administration/index.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-admin-role.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-role-management-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-user-management-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-impersonate-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-database-management-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-alias-management-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-server-management-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-privilege-management-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-execute-privileges.adoc[]
+**** xref:authentication-authorization/dbms-administration/dbms-setting-privileges.adoc[]
+
 *** xref:authentication-authorization/load-privileges.adoc[]
 *** xref:authentication-authorization/limitations.adoc[]
 *** xref:authentication-authorization/manage-execute-permissions.adoc[]