1 SELECT
2 表名=case when a.colorder=1 then d.name else '' end,
3 表说明=case when a.colorder=1 then isnull(f.value,'') else '' end,
4 字段序号=a.colorder,
5 字段名=a.name,
6 标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,
7 主键=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and name in (
8 SELECT name FROM sysindexes WHERE indid in(
9 SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid
10 ))) then '√' else '' end,
11 类型=b.name,
12 占用字节数=a.length,
13 长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
14 小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
15 允许空=case when a.isnullable=1 then '√'else '' end,
16 默认值=isnull(e.text,''),
17 字段说明=isnull(g.[value],'')
18 FROM syscolumns a
19 left join systypes b on a.xusertype=b.xusertype
20 inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
21 left join syscomments e on a.cdefault=e.id
22 left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id
23 left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0
24 where d.name='MERCHANDISECOMMENT' --如果只查询指定表,加上此条件
25 order by a.id,a.colorder
