我有一个关于MySQL的问题,我有2个表:
Data
:
ID .. | name .. | Job...|
001 | name1. | Job1 |
002 | name2. | Job2 |
003 | name3. | Job3 |
dataAttributes
:
ID... | Number |
001 | value 1 .|
001 | value 2 .|
002 | value 3 .|
003 | value 4 .|
003 | value 5 .|
我想以这样的方式加入这些表:
ID .. | name.. | Job ..|Number 1 | Number 2..|
001 | name1 | Job1 |value 1......| value 2 ..|
002 | name2 | Job2 |value 3......|...........|
003 | name3 | Job3 | value 4.... | value 5 ..|
你能帮我一下吗?
=======Solved=======
我自己通过使用以下查询找到了解决方案
select
D.*,
(select DA.number from dataAttributes as DA where D.ID = DA.ID LIMIT 1,1) as number1,
(select DA.number from dataAttributes as DA where D.ID = DA.ID LIMIT 2,1) as number2,
(select DA.number from dataAttributes as DA where D.ID = DA.ID LIMIT X,1) as numberX
from data as D
答案 0 :(得分:1)
试试这个
SELECT * FROM data
INNER JOIN dataAttributes ON data.ID = DataAttributes.ID;
答案 1 :(得分:0)
如果您只有两个号码,则可以使用min()
和max()
:
select d.*, min(da.Number) as Number1, max(da.Number) as Number2
from data d left join
dataAttributes da
on d.id = da.id
group by d.id;