Èçìåíåíèå òèïîâ äàííûõ ÷åðåç sql-çàïðîñ.
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Âîñêðåñåíüå, 29 Ìàðòà 2015 ã. 13:34
+ â öèòàòíèê
Âîçíèêëà ïðîáëåìà, íåîáõîäèìî èçìåíèòü òèï äàííûõ â çàïðîñå òàê ÷òî áû çàïðîñ çàðàáîòàë. ïðîáëåìà ïîõîäó â ýòîé ñòî÷êå
ADOQuery_prihod.ed_izmer = ed_izmer.kod) LEFT JOIN preporat. ADOQuery_prihod.ed_izmer- ÿâëÿåòñÿ òåêñòîâûì, à ed_izmer.kod ñ÷åò÷èêîì ÿâëÿåòñÿ.
SELECT preporat.naimenovanie, ADOQuery_prihod.kod_preparata, [ADOQuery_prihod].[Sum-kol_vo]-IIf([ADOQuery_rashod].[Sum-kol_vo]>0,[ADOQuery_rashod].[Sum-kol_vo],0) AS ostatok, [ADOQuery_prihod].[sum_cena]-IIf([ADOQuery_rashod].[sum_cena]>0,[ADOQuery_rashod].[sum_cena],0) AS summa, ADOQuery_prihod.ed_izmer, preporat.tip_preporata, ed_izmer.ed_name
FROM ((ADOQuery_prihod LEFT JOIN ADOQuery_rashod ON ADOQuery_prihod.kod_preporata = ADOQuery_rashod.kod_preporata) LEFT JOIN ed_izmer ON ADOQuery_prihod.ed_izmer = ed_izmer.kod) LEFT JOIN preporat ON ADOQuery_prihod.kod_preporata = preporat.kod preporata;
http://www.sql.ru/forum/1149410/izmenenie-tipov-dannyh-cherez-sql-zapros
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