SELECTTableName=case   when   a.colorder=1   then   d.name   else   ‘‘   end,---表名TableShowsThat=case   when   a.colorder=1   then   isnull(f.value,‘‘)   else   ‘‘   end,---表说明TheSerialNumberField=a.colorder,---字段序号FieldName=a.name,---字段名Identification=case   when   COLUMNPROPERTY(   a.id,a.name,‘IsIdentity‘)=1   then   ‘√‘else   ‘‘   end,PrimaryKey=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,---标识主键[Type]=b.name,---数据类型TakeUpTheNumberOfBytes=a.length,---占用字节数[Length]=COLUMNPROPERTY(a.id,a.name,‘PRECISION‘),---长度DecimalDigits=isnull(COLUMNPROPERTY(a.id,a.name,‘Scale‘),0),---小数位数AllowEmpty=case   when   a.isnullable=1   then   ‘√‘else   ‘‘   end,---允许空[Default]=isnull(e.text,‘‘),---默认值FieldsThat=isnull(g.[value],‘‘)---字段说明FROM   syscolumns   aleft   join   systypes   b   on   a.xusertype=b.xusertypeinner   join   sysobjects   d   on   a.id=d.id     and   d.xtype=‘U‘   and     d.name<>‘dtproperties‘left   join   syscomments   e   on   a.cdefault=e.idleft   join   sys.extended_properties   g   on   a.id=g.major_id   and   a.colid=g.minor_idleft   join   sys.extended_properties   f   on   d.id=f.major_id   and   f.minor_id=0 where   d.name=‘Accounts_User‘         --如果只查询指定表,加上此条件order   by   a.id,a.colorder