sqlserver导出表结构的操作教程
select 表名称 = case when columns.colorder=1 then objects.name else '' end, 表说明 = case when columns.colorder=1 then isnull(properties2.value,'') else '' end, 列名称 = columns.name, 列说明 = isnull(properties1.[value],''), 类型 = types.name, 长度 = columnproperty(columns.id,columns.name,'precision'), 是否是主键 = 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 = columns.id and colid=columns.colid ))) then '是' else '否' end, 默认值=isnull(comments.text,''), 是否允许为空=case when columns.isnullable=1 then '是'else '否' end from syscolumns columns left join systypes types on columns.xtype=types.xusertype inner join sysobjects objects on columns.id=objects.id and objects.xtype='u' and objects.name<>'dtproperties' left join syscomments comments on columns.cdefault=comments.id left join sys.extended_properties properties1 on columns.id=properties1.major_id and columns.colid=properties1.minor_id left join sys.extended_properties properties2 on objects.id=properties2.major_id and properties2.minor_id =0 --where d.name='' --查询指定表 order by columns.id,columns.colorder