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标题: 数据库手边系列:SQL Server数据表信息 [打印本页]

作者: 月冷人孤    时间: 2009-1-8 11:11
标题: 数据库手边系列:SQL Server数据表信息
  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.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      left join sysproperties f on d.id=f.id and f.smallid=0      --where d.name='要查询的表' --如果只查询指定表,加上此条件      order by a.id,a.colorder <




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