查看SQLServer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.[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


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