SELECT
序号 = a.colorder,
字段名称 = a.name,
字段类型 = c.name,
字段长度 = COLUMNPROPERTY(a.id,a.name,'PRECISION'),
允许为空 = case when a.isnullable=1 then '√'else '' end,
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 distinct name FROM sysindexes WHERE indid in(SELECT distinct indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid))) then '√' else '' end,
默认值 = isnull(b.text,''),
字段说明 = isnull(e.[value],'')
FROM syscolumns a
left join syscomments b on a.cdefault=b.id
join systypes c on a.xusertype=c.xusertype
join sysobjects d on a.id=d.id and d.xtype='U'
left join sys.extended_properties e on a.id=e.major_id and a.colid=e.minor_id
where d.name='Departments' order by a.colorder