-Ïîèñê ïî äíåâíèêó

Ïîèñê ñîîáùåíèé â rss_sql_ru_access_programming

 -Ïîäïèñêà ïî e-mail

 

 -Ïîñòîÿííûå ÷èòàòåëè

 -Ñòàòèñòèêà

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


Óäàëèòü çàïèñè ÷åðåç INNER JOIN ñ WHERE

Âòîðíèê, 16 Àïðåëÿ 2019 ã. 12:44 + â öèòàòíèê
Óâàæàåìûé ôîðóì,

Ïðîñòàÿ çàäà÷à, íî ÷òî-òî èäåò íå òàê...
Äâå òàáëèöû, äàííûå â îäíîé ìåíÿþòñÿ, èçìåíåííûå çàïèñè îòìå÷àþòñÿ ôëàãîì. Çàäà÷à: óäàëèòü èç âòîðîé òàáëèöû âñå çàïèñè, êîòîðûå ñîîòâåòñòâóþò èçìåíåííûì çàïèñÿì â ïåðâîé. Èñïîëüçóþ òàêóþ êîíñòðóêöèþ, íî ïðè ýòîì èç âòîðîé òàáëèöû óäàëÿþòñÿ ïî÷åìó-òî è äðóãèå çàïèñè, êîòîðûå íå èçìåíåíû â ïåðâîé òàáëèöå:

DELETE FROM dbo_ACC_EVALUATION 
WHERE(dbo_ACC_EVALUATION.ID in 
(SELECT dbo_ACC_EVALUATION.ID 
FROM dbo_ACC_EVALUATION 
INNER JOIN ACC_EVALUATION ON (dbo_ACC_EVALUATION.EV_CASE_NUMBER = ACC_EVALUATION.EV_CASE_NUMBER AND dbo_ACC_EVALUATION.EV_MOPI = ACC_EVALUATION.EV_MOPI) 
WHERE(ACC_EVALUATION.RECORD_VERSION=-1)))


Êðîìå òîãî, òàêîé çàïðîñ âûïîëíÿåòñÿ äîâîëüíî-òàêè äîëãî, ÷òî íå åñòü ãóò. Ïîäñêàæèòå, ÷òî ÿ äåëàþ íåïðàâèëüíî è êàê ìîæíî ðåøèòü ýòó çàäà÷ó?

https://www.sql.ru/forum/1311556/udalit-zapisi-cherez-inner-join-s-where


 

Äîáàâèòü êîììåíòàðèé:
Òåêñò êîììåíòàðèÿ: ñìàéëèêè

Ïðîâåðêà îðôîãðàôèè: (íàéòè îøèáêè)

Ïðèêðåïèòü êàðòèíêó:

 Ïåðåâîäèòü URL â ññûëêó
 Ïîäïèñàòüñÿ íà êîììåíòàðèè
 Ïîäïèñàòü êàðòèíêó