select distinct a.name 
from sys.objects a join sys.sysindexes b on a.OBJECT_id=b.id  
where a.type='U' and b.rows=0

------解决方案--------------------

SQL code

 use [数据库A]

 select a.name 
 from sys.objects a 
 inner join sys.sysindexes b on a.object_id=b.id  
 where a.type='U' and b.indid=1 and b.rows=0