谢谢了
学习中
学习中

2007-10-15 13:15
谢谢了,但其中有几处小疑问,是不是打字打错了: // 还有一处忘了在哪了
SELECT A1.region_name REGION, SUM(A2.Sales) SALES
FROM Geography A1, Store_Information A2
WHERE A1.store_name = A2.store_name
GROUP BY A1.region_name
[此贴子已经被作者于2007-10-17 16:48:16编辑过]

2007-10-17 16:44


2007-10-17 17:09
2007-10-17 17:33
2007-10-17 17:36
刚开始学 看 了 很受用 谢谢阿
2007-10-18 18:47
2007-10-31 17:41

2008-01-20 23:22
2008-01-22 15:05

2008-01-29 15:47