假设第一个表为table1,第二个表为table2,SQL如下:
SELECT * FROM table2 WHERE award_id IN (SELECT id FROM table1 WHERE goods_id=003)
两种办法
1.写个嵌套
SELECT * FROM table2 WHERE award_id IN (SELECT id FROM table1 WHERE goods_id=003)
2.写个外连接
SELECT a.id,b.* FROM table1 a left join table2 b on a.id=b.award_id WHERE a.goods_id=003