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读取数据库表字段

时间:2015-11-26 14:38:04      阅读:192      评论:0      收藏:0      [点我收藏+]

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SELECT

   表名=case when a.colorder=1 then d.name else ‘‘ end,

   表说明=case when a.colorder=1 then isnull(f.value,‘‘) 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.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

   left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id

   left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0

   where d.name=‘CJ_Products_bak‘ --如果只查询指定表,加上此条件

   order by a.id,a.colorder

读取数据库表字段

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原文地址:http://www.cnblogs.com/zxhome/p/4997362.html

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