[sql server] 如何查询字段的说明

--2000
Select a.name,b.value
from syscolumns a left join sysproperties b
on a.id=b.id AND a.colid = b.smallid
Where a.ID=OBJECT_ID('tb')

--2005
Select a.name,b.value
from sys.syscolumns a left join sys.extended_properties b
on a.id=b.major_id AND a.colid = b.minor_id
Where a.ID=OBJECT_ID('tb')