SQL Server 2005,2008导出数据字典实现方法

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代码如下:

 
SELECT 
(case when a.colorder=1 then d.name else '' end)表名,d.xtype as 表类型,a.colorder 字段序号,a.name 字段名,(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,(case when (SELECT count(*) 
FROM sysobjects 
WHERE (name in 
(SELECT name 
FROM sysindexes 
WHERE (id = a.id) AND (indid in 
(SELECT indid 
FROM sysindexkeys 
WHERE (id = a.id) AND (colid in 
(SELECT colid 
FROM syscolumns 
WHERE (id = a.id) AND (name = a.name))))))) AND 
(xtype = 'PK'))>0 then '√' else '' end) 主键,b.name 类型,a.length 占用字节数,COLUMNPROPERTY(a.id,'PRECISION') as 长度,isnull(COLUMNPROPERTY(a.id,'Scale'),0) as 小数位数,(case when a.isnullable=1 then '√'else '' end) 允许空,isnull(e.text,'') 默认值,isnull(g.[value],'') AS 字段说明 
FROM syscolumns a left join systypes b 
on a.xtype=b.xusertype 
inner join sysobjects d 
on a.id=d.id and d.xtype in ('U','V') 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.major_id 
order by a.id,a.colorder 

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