SELECT 表名 = case when a.colorder=1 then d.name else '' end
, 表说明 = case when a.colorder=1 then isnull(f.value,'') else '' end
, 字段序号 = a.colorder
, 字段名 = a.name
, 标识 = case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end
, 主键 = case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (SELECT name FROM sysindexes WHERE indid in(SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid))) then '√' else '' end, 类型 = b.name, 占用字节数 = a.length
, 长度 = COLUMNPROPERTY(a.id,a.name,'PRECISION')
,小数位数 = isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0)
, 允许空= case when a.isnullable=1 then '√'else '' end
, 默认值 = isnull(e.text,'')
, 字段说明 = isnull(g.[value],'')
FROM syscolumns a
left join systypes b
on a.xusertype=b.xusertype
inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
left join syscomments e on a.cdefault=e.id left join
sys.extended_properties g on a.id=G.major_id and a.colid=g.minor_id
left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0
--where d.name='Product' --特定数据特定表名
--order by a.id,a.colorder --如果只查询指定表,加上此条件order by a.id,a.colorder
