两个表中的主键与另一个表PHP的关系

Question

my tables

A_ID   NAME
1     apple
2     banana
3     watermelon
4     kiwi
5     peace

B_ID   NAME 
1     green
2     red
3     blue
4     yellow

relationship table;

A_ID | B_ID
1      2
1      3
2      4
3      1

I want to print at Php;

• apple-red
• apple-blue

Answer 1

使用联接查询就可以做到。

SELECT A.name, B.name FROM A JOIN AB ON A.id=AB.A_id JOIN B ON B.id=AB.B_id