sys.external_data_sources sys.servers lists linked servers. sys schema. select v.name from sys.schemas s join sys.all_objects v on s.schema_id = v.schema_id where s.name = 'sys' order by v.name;
select count(*) cnt, obj.type_desc object_name from sys.schemas sch join sys.all_objects obj on sch.schema_id = obj.schema_id where sch.name = 'sys' group by obj.type_desc;
sys.objects$ table from which the views sys.objects and sys.all_objects select.