12345 发表于 2009-1-18 17:16:14

查看SQL Server数据表的详细信息

  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.,'')
  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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