SELECT 表名=case when a.colorder=1 then d.name 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
order by a.id,a.colorder
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