sql語句，實現在查詢結果中顯示每5行後加一空白行

if not object_id('[tb]') is null

drop table [tb]

gocreate table [tb]([id] int,[p_title] nvarchar(30),[p_company] nvarchar(50),[p_time] datetime)

insert tb

select 1,'資料庫','oracle_1','2009-08-06' union all

select 2,'資料庫','sql server 2000','2009-08-06' union all

select 3,'資料庫','sql server 2005','2009-08-06' union all

select 7,'資料庫','sql server 2008','2009-08-06' union all

select 8,'作業系統','ms dos','2009-08-06' union all

select 9,'作業系統','windows 95','2009-08-06' union all

select 12,'作業系統','windows 98','2009-08-06' union all

select 14,'作業系統','windows 2000','2009-08-06' union all

select 15,'作業系統','windows 2000 server','2009-08-06' union all

select 16,'作業系統','windows xp pro','2009-08-06' union all

select 17,'作業系統','windows 2003 server ent','2009-08-06' union all

select 18,'作業系統','windows 2008 ent','2009-08-06' union all

select 19,'列車','昆明-成都2003次','2009-08-06' union all

select 20,'列車','昆明-成都2640次','2009-08-06' union all

select 21,'列車','昆明-成都2650次','2009-08-06' union all

select 23,'列車','昆明-成都k938次','2009-08-06' union all

select 25,'列車','昆明-北京t62次','2009-08-06'

goselect [id],[p_title],[p_company],[p_time]

from (

select rn=(select count(1) from tb where idfrom tb t

union all

select distinct (select count(1) from tb where idfrom tb t

) as t

order by rn,px

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