一条Sql语句获得所有表的详细资料

SELECT
表名 = case when a.colorder=1 then d.name 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, ' ')
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
where
d.name= 'T_RyoikuTorikumiSub' --如果只查询指定表,加上此条件
--d.name like '%T_%' --查询有规则命名的部分表
order by
a.id,a.colorder