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sql生成数据字典(sqlserver)

2009-07-25 12:05 337 查看

sql生成数据字典(sqlserver)
2007-04-27 11:26

--sqlserver 2000
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 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,''),
字段说明=isnull(g.[value],'')
FROM syscolumns a left join systypes b on a.xtype=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 left join sysproperties g on a.id=g.id
and a.colid=g.smallid
order by a.id,a.colorder

--sqlserver 2005
SELECT Sysobjects.name AS TABLE_NAME, syscolumns.Id, syscolumns.name AS COLUMN_NAME,
systypes.name AS DATA_TYPE, syscolumns.length as CHARACTER_MAXIMUM_LENGTH,
sys.extended_properties.[value] AS COLUMN_DESCRIPTION,
syscomments.text as COLUMN_DEFAULT,syscolumns.isnullable as IS_NULLABLE
FROM syscolumns
INNER JOIN systypes
ON syscolumns.xtype = systypes.xtype
LEFT JOIN sysobjects ON syscolumns.id = sysobjects.id
LEFT OUTER JOIN sys.extended_properties
ON ( sys.extended_properties.minor_id = syscolumns.colid
AND sys.extended_properties.major_id = syscolumns.id)
LEFT OUTER JOIN syscomments ON syscolumns.cdefault = syscomments.id
WHERE syscolumns.id IN (SELECT id FROM SYSOBJECTS WHERE xtype = 'U')
AND (systypes.name <> 'sysname') ORDER BY Sysobjects.Name,syscolumns.colid;

原文地址：http://hi.baidu.com/%BA%DA%CC%D2/blog/item/b4bf3cf3d4849851352acca0.html/cmtid/febc9445c4426a36869473f6

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