如何使用一个SQL查询连接具有不同列名的2个表?
假设我有这张表:
+----+--------+----------+
| id | name | car |
+----+--------+----------+
| 1 | Name 1 | Audi |
| 2 | Name 2 | BMW |
| 3 | Name 3 | Mercedes |
+----+--------+----------+
这个表
+----+--------+----------+
| id | name | bike |
+----+--------+----------+
| 1 | Name 4 | Kawasaki |
| 2 | Name 5 | Triumph |
| 3 | Name 6 | Ducati |
+----+--------+----------+
我想做到这一点
+--------+----------+
| name | Brand |
+--------+----------+
| Name 1 | Audi |
| Name 2 | BMW |
| Name 3 | Mercedes |
| Name 4 | Kawasaki |
| Name 5 | Triumph |
| Name 6 | Ducati |
+--------+----------+
答案 0 :(得分:3)
这看起来像你想要一个联盟
SELECT name, car as brand
FROM cars
UNION ALL
SELECT name, bike as brand
FROM bikes
答案 1 :(得分:0)
SELECT table1.name, table1.car AS Brand FROM table1 UNION ALL SELECT table2.name, table2.bike AS Brand FROM table2
答案 2 :(得分:0)
select Name, Car from Table1
Union All
Select Name, Bike from Table2
我不知道你列出的table1和2的名字,但我猜它们与Car and Bike有关。