SQLserver中获取所有用户表及表描述

select
  ROW_NUMBER() OVER (ORDER BY a.object_id) AS No, 
  a.name AS TabName,
  isnull(g.[value],a.name) AS TabDes
from
  sys.tables a left join sys.extended_properties g
  on (a.object_id = g.major_id AND g.minor_id = 0 and a.[type]='U');