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Article #15128

SQL-kald til to databaser

#15128
From: Peder
Date: Fri, 13 Jul 2001 10:05
49 lines
2469 bytes
K�re gruppe,

Jeg har f�lgende SQL-kald til en database hvor jeg skal finde start-tidspunkt 
og slut-tidspunkt for en proces p� et givet produkt (=LotID).

For at finde start-tidspunkt kalder jeg:

  Select LotID, LotBaseLog.TransactionName, RouteStepName, 
ResourceBaseLog.TimeLogged 
  from Lotbaselog, ResourceBaseLog 
  where LotId like '0105M3'
  and RouteStepName=1
  and Lotbaselog.timelogged=ResourceBaseLog.timelogged 

Resultat er f.eks:

  LotID    TransactionName   RouteStepName  TimeLogged
  0105M3    START            1             22-06-01 13:14:34

For at finde slut-tidspunkt kalder jeg:

  Select LotID, LotBaseLog.TransactionName, RouteStepName, 
ResourceBaseLog.TimeLogged 
  from Lotbaselog, ResourceBaseLog 
  where LotId like '0105M3'
  and LotBaseLog.TransactionName='COMPLETE'
  and Lotbaselog.timelogged=ResourceBaseLog.timelogged 

  LotID   TransactionName   RouteStepName   TimeLogged
  0105M3    COMPLETE       2               22-06-01 14:10:53


S� bruger jeg disse tider til at lave et nyt kald til den samme server. Det er 
dog en anden database (Runtime), og det foreg�r via ODBC:

  SELECT * FROM OpenQuery(INSQL,"
  SELECT DateTime, DIR01_B1G, DIR01_B1S, DIR01_B2W, DIR01_B3G, DIR01_B4G, 
DIR01_B5G
  FROM Runtime.dbo.AnalogWideHistory
  WHERE DateTime >= '22-06-01 13:14:34'
  AND DateTime <= '22-06-01 14:10:53'
  and wwresolution=100
  ")

Jeg vil godt have skrevet det sammen til et enkelt kald, men jeg har ikke 
kunnet f� det til at fungere. Jeg g�tter p� at man skal joine de to databaser 
p� en smart m�de. Er der nogen, som har en ide???

mvh Peder / NST
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Subject: SQL-kald til to databaser
From: psh@nst.com (Peder)
Organization: NST
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