如何用SQL语句查询两张表中的相同字段数据

2025-03-06 04:48:33
推荐回答(2个)
回答1:

select * from 表1 t1 inner join 表2 t2 on t1.字段名=t2.字段名

回答2:

表A年龄表,有字段name,age;表B电话表,有字段name,phone
name字段数据相同,查name、age、phone数据(再根据姓名排序)
SELECT a.xingming,a.age,b.phone
FROM
(SELECT xingming, age FROM A) a
LEFT JOIN
(SELECT xingming, phone FROM B) b
ON a.xingming = b.xingming
GROUP BY
a.xingming