从SqlServer中导出完整的表说明

关键的Sql语句

• 关键Sql语句之查询当前库的用户表

select * from sys.tables

• 关键Sql语句之查询当前表的所有字段详细信息

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 parent_obj=a.id 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,'PRECISION'),小数位数 = isnull(COLUMNPROPERTY(a.id,'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.xusertype=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 sys.extended_properties g on a.id=G.major_id and a.colid=g.minor_id left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0 where d.name='yourtableName' --yourtableName真实的表名 order by a.id,a.colorder

（编辑：李大同）

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