MS SQL怎么根据表名查询表中的字段相关信息,包括字段的名称,类型,备注信息
select syscolumns.name,systypes.name as type,(select isnull(value,'')
from sys.extended_properties ex_p where ex_p.minor_id=0 and ex_p.major_id=sysobjects.id) as TableDemo
,ext.value as colName from syscolumns
INNER JOIN sysobjects ON syscolumns.id = sysobjects.id
INNER JOIN systypes ON syscolumns.xtype = systypes.xtype
INNER join sys.extended_properties as ext on ext.major_id=sysobjects.id
and ext.minor_id=syscolumns.colorder WHERE (sysobjects.name = 'tf_site') AND (systypes.name<>'sysname')
为什么上面这个代码读取不出来呢?
请大神帮助下,要字段有备注或没有备注时都能查询出来,谢谢!