刚刚从上一个问题得到了这个答案,它有效!
SELECT username, (SUM(rating)/COUNT(*)) as TheAverage, Count(*) as TheCount
FROM ratings WHERE month='Aug' GROUP BY username HAVING TheCount > 4
ORDER BY TheAverage DESC, TheCount DESC
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但当我坚持这个额外的位时,会出现这个错误:
文档#1267 - 操作'='的非法混合排序(latin1_swedish_ci,IMPLICIT)和(latin1_general_ci,IMPLICIT)
SELECT username, (SUM(rating)/COUNT(*)) as TheAverage, Count(*) as TheCount FROM
ratings WHERE month='Aug'
**AND username IN (SELECT username FROM users WHERE gender =1)**
GROUP BY username HAVING TheCount > 4 ORDER BY TheAverage DESC, TheCount DESC
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该表是:
id, username, rating, month
我有一个网站将屏幕分成两个框架; 上半部分是我网站的名称; 下半部分是广告网站.
我想要它,所以如果用户点击上半部分(我的网站)上的链接,用户将被带到我的主页.
这有效,但我的网站加载到上半部分而不是整个屏幕.
如何获取链接以删除框架并在整个浏览器中显示我的网站.
这就是我在说的:
http://www.thefacebookies.com/advertise.php
尝试过target ="_ top"哪个不行.
非常感谢.
我有这个查询完美的工作:
SELECT *
FROM Customer
WHERE SacCode IN
(
SELECT SacCode
FROM SacCode
WHERE ResellerCorporateID = 392
ORDER BY SacCode
)
AND CustomerID IN
(
SELECT CxID
FROM CustAppointments
WHERE AppRoomID IN
(
SELECT AppRoomID
FROM ClinicRooms
WHERE ClinID IN
(
SELECT ClinID
FROM AppClinics
WHERE ClinDate >='20090101'
AND ClinDate <='20091119'
)
)
)
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但是,我需要看到ClinDate的值(在最后一个嵌套查询中),所以我被告知我需要使用JOINS重新编写查询.
我不知道怎么样,有人可以帮忙吗?
谢谢.
有没有人知道一个PHP例程,我可以拍摄原始图像并将其分成两半以创建两个新图像A和B?
见下文:
alt text http://www.bellschofield.eu/zqocc89c.jpg
谢谢
我有这个查询完美的工作:
SELECT cp.*
FROM CustPrimaryQ cp
JOIN Customer c ON cp.CxID = c.CustomerID
JOIN SacCode sc ON sc.SacCode = c.SacCode
WHERE sc.ResellerCorporateID = 392
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但是我试图修改它来计算平均值.
CustPrimaryQ表的每一行都有一个名为QScore的字段,我希望找到该字段的总平均值.
换句话说,如果CustPrimaryQ中有10行,我想要10行的平均QScore.
任何帮助将非常感激.