MS SQL 获取数据字典的经典sql语句
select
[表名]=c.Name,
[表说明]=isnull(f.[value],''),
[列名]=a.Name,
[列序号]=a.Column_id,
[标识]=case when is_identity=1 then '√' else '' end,
[主键]=case when exists(select 1 from sys.objects x join sys.indexes y on x.Type=N'PK' and x.Name=y.Name
join sysindexkeys z on z.ID=a.Object_id and z.indid=y.index_id and z.Colid=a.Column_id)
then '√' else '' end,
[类型]=b.Name,
[字节数]=case when a.[max_length]=-1 and b.Name!='xml' then 'max/2G'
when b.Name='xml' then '2^31-1字节/2G'
else rtrim(a.[max_length]) end,
[长度]=case when ColumnProperty(a.object_id,a.Name,'Precision')=-1 then '2^31-1'
else rtrim(ColumnProperty(a.object_id,a.Name,'Precision')) end,
[小数]=isnull(ColumnProperty(a.object_id,a.Name,'Scale'),0),
[是否为空]=case when a.is_nullable=1 then '√' else '' end,
[列说明]=isnull(e.[value],''),
[默认值]=isnull(d.text,'')
from
sys.columns a
left join
sys.types b on a.user_type_id=b.user_type_id
inner join
sys.objects c on a.object_id=c.object_id and c.Type='U'
left join
syscomments d on a.default_object_id=d.ID
left join
sys.extended_properties e on e.major_id=c.object_id and e.minor_id=a.Column_id and e.class=1
left join
sys.extended_properties f on f.major_id=c.object_id and f.minor_id=0 and f.class=1
最新文章
- CRM 安全证书到期操作命令
- 超级详细的iptable教程文档
- 重写ViewPager方法,防止滑动广告尾页的时候,Fragment也改变! (如果广告设置为轮播的话,不需要重写ViewPager)
- OpenFileDialog获取文件名和文件路径问题
- DES根据键值加密解密
- C#代码示例_函数
- spring mvc注解@RequestParam
- js判断页面放大缩小
- Qt4.8在Windows下的三种编程环境搭建
- 全面理解SSD和NAND Flash
- Tomcat8.0.11优化相关
- java-其他-索引
- Codeforces.GYM100548G.The Problem to Slow Down You(回文树)
- TFLearn 与 Tensorflow 一起使用
- ROS学习手记 - 7 创建ROS msg &; srv
- [转]sqlmap使用教程
- 线程中的定时器Timer类
- DrawDibDraw__ZC测试
- fail2ban安全设置
- 网络软中断与NAPI函数分析