2013-10-13 143 views
-1

我有两个表“CAR” - 它的字段是 - (car_id,name),第二个表“CARSFORSALE”包含待售汽车(id,car_id,....) 我怎么能得到“CARSFORSALE”表10行对每个car_id在一个查询从两个表中提取数据

意味着,如果我有7 car_id我的结果将是< = 70

回答

0
select 1,car_id 
union all 
select 2,car_id 
union all 
select 3,car_id 
union all 
select 4,car_id 
union all 
select 5,car_id 
union all 
select 6,car_id 
union all 
select 7,car_id 
union all 
select 8,car_id 
union all 
select 9,car_id 
union all 
select 10,car_id