数据库手边系列:SQLServer数据表信息

数据库手边系列:SQLServer数据表信息 - 应用软件 - 电脑教程网

数据库手边系列:SQLServer数据表信息

日期:2006-07-27   荐:
  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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