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Ñòàòèñòèêà LiveInternet.ru: ïîêàçàíî êîëè÷åñòâî õèòîâ è ïîñåòèòåëåé
Ñîçäàí: 16.03.2006
Çàïèñåé:
Êîììåíòàðèåâ:
Íàïèñàíî: 4


Îáíîâèòü äàííûå òàáëèöû íà ñåðâåðå ÷åðåç ñðàâíåíèå ñ òàáëèöîé ó êëèåíòà

Âîñêðåñåíüå, 28 Äåêàáðÿ 2014 ã. 14:05 + â öèòàòíèê
Íà ñåðâåðå åñòü òàáëèöà "wProducts" ñ ïîëÿìè: [prID], [prName], [prPrice]
Ó êëèåíòà åñòü òàêàÿ æå òàáëèöà "tblProducts": [prID], [prName], [prPrice]

Òàêæå ó êëèåíòà åñòü ÇÀÏÐÎÑ Ê ÑÅÐÂÅÐÓ "WebProducts":
SELECT wProducts.prID, wProducts.prName, wProducts.prPrice 
FROM wProducts;

È åñòü îáû÷íûé çàïðîñ íà âûáîðêó "edProducts", êîòîðûé îòáèðàåò èçìåíåííûå çàïèñè èç òàáëèöû "tblProducts":
SELECT tblProducts.prID, tblProducts.prName, tblProducts.prPrice
FROM tblProducts INNER JOIN WebProducts ON tblProducts.prID = WebProducts.prID
WHERE (((tblProducts.prName)<>[WebProducts].[prName])) OR (((tblProducts.prPrice)<>[WebProducts].[prPrice]));


Êàê òåïåðü èçìåíèòü ñîîòâåòñòâóþùèå çàïèñè íà òàáëèöå wProducts ñåðâåðà ïî ýòèì îòîáðàííûì çàïèñÿì çàïðîñà "edProducts"?
Ìîæíî ëè ñäåëàòü ýòî ÷åðåç ÇÀÏÐÎÑ Ê ÑÅÐÂÅÐÓ?
Èëè êàêèå åñòü ïóòè ðåøåíèÿ? (÷åðåç ñâÿçàííóþ òàáëèöó äîëãî ãðóçèòñÿ)

http://www.sql.ru/forum/1134964/obnovit-dannye-tablicy-na-servere-cherez-sravnenie-s-tablicoy-u-klienta


 

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