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


Îïòèìèçèðîâàòü çàïðîñ

Ïÿòíèöà, 21 Íîÿáðÿ 2014 ã. 20:28 + â öèòàòíèê
Ïðèâåò.

Åñòü çàäàíèå:
Âûâåñòè ñïèñîê àêöèîíåðîâ "ÎÀÎ ÀÀÀ", êîòîðûå âëàäåþò àêöèÿìè îáîèõ âûïóñêîâ - 08-1-412î è 08-1-412ï (ðåãèñòðàöèîííûé íîìåð âûïóñêà).  ðåçóëüòàò äîëæíû âõîäèòü ñëåäóþùèå ïîëÿ: ÔÈÎ àêöèîíåðà, ïàñïîðòíûå äàííûå, àäðåñ, êîëè÷åñòâî àêöèé ïåðâîãî è âòîðîãî âûïóñêà è îáùåå êîëè÷åñòâî àêöèé.  ðåçóëüòàò ââåñòè êîììåíòàðèé. Ðåçóëüòàò ñîðòèðîâàòü ïî ÔÈÎ àêöèîíåðîâ.

Íàïèñàë çàïðîñ:
+
SELECT PERSON.IO_PERS AS ÔÈÎ, PERSON.S_N AS Ïàñïîðò, 
                PERSON.DT_DOC AS [Äàòà âûäà÷è], PERSON.GIVEN AS [Êåì âûäàí],
                PERSON.ADDRESS AS Àäðåñ, Query1.num_stoc1 AS [Àêöèé 1 è 2 âûï],
                Sum(L_SCH.NUM_STOC) AS [Âñåãî àêöèé],
               "èìååò àêöèè 1 è 2 âûï" AS Ïðèìå÷àíèå
FROM L_SCH, PERSON, 
               (SELECT L_SCH.DEPO_SCH, SUM(L_SCH.NUM_STOC) AS num_stoc1
                FROM SERT_VIP, L_SCH
                WHERE SERT_VIP.REG_N LIKE "*08-1-412*" AND
                                SERT_VIP.N_VIP=L_SCH.N_VIP 
                 GROUP BY L_SCH.DEPO_SCH
                 HAVING  COUNT(L_SCH.DEPO_SCH)=2
                 ORDER BY L_SCH.DEPO_SCH) AS Query1
WHERE  L_SCH.DEPO_SCH= Query1.DEPO_SCH  AND
               PERSON.DEPO_SCH=Query1.DEPO_SCH
GROUP BY PERSON.IO_PERS, PERSON.S_N, PERSON.DT_DOC, PERSON.GIVEN,
                     PERSON.ADDRESS, Query1.num_stoc1
ORDER BY PERSON.IO_PERS;



Ñêàçàëè, ÷òî î÷åíü ñëîæíî ðåàëèçîâàë, ìîæíî ñäåëàòü â ðàçû êîðî÷å (+ åù¸ íàäî äîáàâèòü äâà ïîëÿ: àêöèè 1 âûïóñêà, àêöèè 2 âûïóñêà). Äóìàë-äóìàë è íè÷åãî íå ïðèäóìàë. Ðàçâå âîçìîæíî íàïèñàòü ýòîò çàïðîñ êàê-òî êîðî÷å? Ïðîøó ïîìî÷ü.
Ñïàñèáî!

Îïèñàíèå ïîëåé:
Êàðòèíêà ñ äðóãîãî ñàéòà.

http://www.sql.ru/forum/1128141/optimizirovat-zapros


 

Äîáàâèòü êîììåíòàðèé:
Òåêñò êîììåíòàðèÿ: ñìàéëèêè

Ïðîâåðêà îðôîãðàôèè: (íàéòè îøèáêè)

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