sql server 2005 导出用户表数据字典(代码,MSSQL代码库,德仔网

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【MSSQL】 sql server 2005 导出用户表数据字典(

作者: / 发布于2016/3/22/ 611

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--作用：用于sql server 2005 导出用户表数据字典
--1 默认导出当前数据库中所有用户表(xtype = 'u')的数据字典；
--2 可以在xtype = 'u'替换为如下所示语句xtype = 'u' and name in ('son','Person') 导出自定义的表的数据字典；
--3 可以利用集成服务SSIS导出数据字典的excel文件，形成文档；
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select sysobjects.name as "表名",syscolumns.name as "字段名",
case when systypes.name in ('binary','char','nchar') then (systypes.name + '(' + cast(syscolumns.prec as varchar(50)) + ')')
when systypes.name in ('decimal','numeric') then (systypes.name + '(' + cast(syscolumns.prec as varchar(50)) + ',' + cast(syscolumns.scale as varchar(50)) + ')')
when systypes.name in ('nvarchar','varchar','varbinary') then (case when syscolumns.prec = -1 then (systypes.name + '(MAX)') else (systypes.name + '(' + cast(syscolumns.prec as varchar(50)) + ')') end)
else systypes.name end as "字段类型",
syscomments.text as "默认值", case when syscolumns.isnullable = 1 then 'Y' else 'N' end as "能否为空",
 cast(sys.extended_properties.value as varchar(1024)) as "备注"
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 asc

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