表员工:
+----+------------+
| id | firstname |
+----+------------+
| 1 | name1 |
+----+------------+
餐桌订单:
+----+--------+
| id | eid |
+----+--------+
| 1 | 2 |
+----+--------+
一个查询有可能得到这个结果吗?
+----+--------+
| id | eid |
+----+--------+
| 1 | name1 |
+----+--------+