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


Ìåñòîíàõîæäåíèå è âðåìÿ â çàïðîñå

Âòîðíèê, 04 Ìàðòà 2014 ã. 01:00 + â öèòàòíèê
 äàííûé ìîìåíò ÿ âûáðàëà êîíêðåòíûé âàðèàíò è ìíå íóæíî âìåñòî 3-õ çàïèñåé, êîòîðûå âûâîäèò çàïðîñ, âûâåñòè äâå.
Òî åñòü, åñòü êëèåíòû è âïîëíå âîçìîæíî, ÷òî ìåñòîïîëîæåíèå èõ ìîæåò èçìåíèòüñÿ è ýòó ñâÿçü ÿ ñâÿçàëà ñ äàòîé [date_begin]. È ïî ìåðå îáðàùåíèÿ â öåíòð, äîëæíî âûâîäèòüñÿ òî ìåñòîïîëîæåíèå, ãäå îíè íàõîäÿòñÿ â äàííûé ìîìåíò.
Òî ëè ñõåìà ó ìåíÿ íåäîðàáîòàíà, òî ëè çàïðîñ. Ñåé÷àñ íå ïîéìó â êàêîå íàïðàâëåíèå ëó÷øå èäòè, ÷òîáû âûâåñòè èìåííî òî, ÷òî õî÷ó.

SELECT patients.id_patient, patients.patient_num, patients.family, 
patients_history.nimushis_code, patients_history.input_date, 
prison.prison_name, prison_history.date_begin
FROM prison 
INNER JOIN ((patients 
LEFT JOIN patients_history ON patients.id_patient = patients_history.id_patient) 
INNER JOIN prison_history ON patients.id_patient = prison_history.id_patient) 
ON prison.id_prison = prison_history.id_prison
WHERE (((patients.patient_num)=4) AND ((patients_history.input_date)>=[date_begin]))
ORDER BY patients_history.input_date;

http://www.sql.ru/forum/1080623/mestonahozhdenie-i-vremya-v-zaprose


 

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