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From: new2access via AccessMonster.com on 9 Jan 2010 02:53 I have this code on my database that show certain records based on a training modules completed selected by the user from a drop down list. SELECT [Training Sessions].ModuleName, [Training Sessions].SessionDate, [Training Sessions].SessionTimeFrom, [Training Sessions].SessionTimeTo, [Training Sessions].SessionVenue, [Training Records].TraineeID, (forms! [frmTraining Modules Completed by Trainees]!SelectModule) AS Expr1, [Training Records].NoShow FROM [Training Sessions] INNER JOIN [Training Records] ON [Training Sessions]. TSID = [Training Records].TSID WHERE ((([Training Sessions].ModuleName)=([forms]![frmTraining Modules Completed by Trainees]![SelectModule]))) OR (((([forms]![frmTraining Modules Completed by Trainees]![SelectModule])) Is Null)); How can i do it in reverse? i tried this code: SELECT qryTrainingModules.ModuleName, qryTrainingModules.SessionDate, qryTrainingModules.TraineeID, Trainees.LastName, Trainees.FirstName, Trainees. JobTitle, Trainees.ContractorName, qryTrainingModules.NoShow, Trainees. Language FROM Trainees INNER JOIN qryTrainingModules ON Trainees.TraineeID = qryTrainingModules.TraineeID WHERE (((qryTrainingModules.NoShow)<>False)); This shows a report of trainees who failed to attend the training course, which is also needed on the report since they have to take the course again. Also, i need to display on this report the trainees who doesn't have training history so they can be enrolled. And that's my problem, its not showing trainees with no training history. My database has the following tables: [Trainees] - TraineeID (PK) - FirstName - LastName - etc... [Training Records] - ID (PK) - TraineeID - TSID - NoShow [Training Sessions] - TSID (PK) - ModuleName - SessionDate - SessionTime [tblModules] - ModuleName (PK) -- Message posted via AccessMonster.com http://www.accessmonster.com/Uwe/Forums.aspx/access-tablesdbdesign/201001/1
From: theDBguy on 9 Jan 2010 12:17 Hi, Let's try something like: SELECT TraineeID, FirstName, LastName FROM Trainees LEFT JOIN [Training Records] ON Trainees.TraineeID=[Training Records].TraineeID WHERE [Training Records].TraineeID Is Null (untested) Hope that helps... "new2access via AccessMonster.com" wrote: > I have this code on my database that show certain records based on a training > modules completed selected by the user from a drop down list. > > SELECT [Training Sessions].ModuleName, [Training Sessions].SessionDate, > [Training Sessions].SessionTimeFrom, [Training Sessions].SessionTimeTo, > [Training Sessions].SessionVenue, [Training Records].TraineeID, (forms! > [frmTraining Modules Completed by Trainees]!SelectModule) AS Expr1, [Training > Records].NoShow > FROM [Training Sessions] INNER JOIN [Training Records] ON [Training Sessions]. > TSID = [Training Records].TSID > WHERE ((([Training Sessions].ModuleName)=([forms]![frmTraining Modules > Completed by Trainees]![SelectModule]))) OR (((([forms]![frmTraining Modules > Completed by Trainees]![SelectModule])) Is Null)); > > > How can i do it in reverse? i tried this code: > > SELECT qryTrainingModules.ModuleName, qryTrainingModules.SessionDate, > qryTrainingModules.TraineeID, Trainees.LastName, Trainees.FirstName, Trainees. > JobTitle, Trainees.ContractorName, qryTrainingModules.NoShow, Trainees. > Language > FROM Trainees INNER JOIN qryTrainingModules ON Trainees.TraineeID = > qryTrainingModules.TraineeID > WHERE (((qryTrainingModules.NoShow)<>False)); > > This shows a report of trainees who failed to attend the training course, > which is also needed on the report since they have to take the course again. > Also, i need to display on this report the trainees who doesn't have training > history so they can be enrolled. And that's my problem, its not showing > trainees with no training history. > > > > My database has the following tables: > > [Trainees] > - TraineeID (PK) > - FirstName > - LastName > - etc... > > [Training Records] > - ID (PK) > - TraineeID > - TSID > - NoShow > > [Training Sessions] > - TSID (PK) > - ModuleName > - SessionDate > - SessionTime > > [tblModules] > - ModuleName (PK) > > -- > Message posted via AccessMonster.com > http://www.accessmonster.com/Uwe/Forums.aspx/access-tablesdbdesign/201001/1 > > . >
From: Daryl S on 11 Jan 2010 11:13 You need an outer join to get the trainees without training history, and you must alter the WHERE clause to account for records that have no training history: SELECT qryTrainingModules.ModuleName, qryTrainingModules.SessionDate, qryTrainingModules.TraineeID, Trainees.LastName, Trainees.FirstName, Trainees. JobTitle, Trainees.ContractorName, qryTrainingModules.NoShow, Trainees. Language FROM Trainees LEFT JOIN qryTrainingModules ON Trainees.TraineeID = qryTrainingModules.TraineeID WHERE (((qryTrainingModules.NoShow)<>False) or (qryTrainingModules.NoShow) is null)); -- Daryl S "new2access via AccessMonster.com" wrote: > I have this code on my database that show certain records based on a training > modules completed selected by the user from a drop down list. > > SELECT [Training Sessions].ModuleName, [Training Sessions].SessionDate, > [Training Sessions].SessionTimeFrom, [Training Sessions].SessionTimeTo, > [Training Sessions].SessionVenue, [Training Records].TraineeID, (forms! > [frmTraining Modules Completed by Trainees]!SelectModule) AS Expr1, [Training > Records].NoShow > FROM [Training Sessions] INNER JOIN [Training Records] ON [Training Sessions]. > TSID = [Training Records].TSID > WHERE ((([Training Sessions].ModuleName)=([forms]![frmTraining Modules > Completed by Trainees]![SelectModule]))) OR (((([forms]![frmTraining Modules > Completed by Trainees]![SelectModule])) Is Null)); > > > How can i do it in reverse? i tried this code: > > SELECT qryTrainingModules.ModuleName, qryTrainingModules.SessionDate, > qryTrainingModules.TraineeID, Trainees.LastName, Trainees.FirstName, Trainees. > JobTitle, Trainees.ContractorName, qryTrainingModules.NoShow, Trainees. > Language > FROM Trainees INNER JOIN qryTrainingModules ON Trainees.TraineeID = > qryTrainingModules.TraineeID > WHERE (((qryTrainingModules.NoShow)<>False)); > > This shows a report of trainees who failed to attend the training course, > which is also needed on the report since they have to take the course again. > Also, i need to display on this report the trainees who doesn't have training > history so they can be enrolled. And that's my problem, its not showing > trainees with no training history. > > > > My database has the following tables: > > [Trainees] > - TraineeID (PK) > - FirstName > - LastName > - etc... > > [Training Records] > - ID (PK) > - TraineeID > - TSID > - NoShow > > [Training Sessions] > - TSID (PK) > - ModuleName > - SessionDate > - SessionTime > > [tblModules] > - ModuleName (PK) > > -- > Message posted via AccessMonster.com > http://www.accessmonster.com/Uwe/Forums.aspx/access-tablesdbdesign/201001/1 > > . >
From: Dorian on 11 Jan 2010 13:23 I think you need to do a LEFT join. An INNER JOIN only returns records where the record exists in both tables (which does not work because there are no training records). A LEFT join will return the matching records and the records that have no match. Read up on LEFT joins in Access HELP system. -- Dorian "Give someone a fish and they eat for a day; teach someone to fish and they eat for a lifetime". "new2access via AccessMonster.com" wrote: > I have this code on my database that show certain records based on a training > modules completed selected by the user from a drop down list. > > SELECT [Training Sessions].ModuleName, [Training Sessions].SessionDate, > [Training Sessions].SessionTimeFrom, [Training Sessions].SessionTimeTo, > [Training Sessions].SessionVenue, [Training Records].TraineeID, (forms! > [frmTraining Modules Completed by Trainees]!SelectModule) AS Expr1, [Training > Records].NoShow > FROM [Training Sessions] INNER JOIN [Training Records] ON [Training Sessions]. > TSID = [Training Records].TSID > WHERE ((([Training Sessions].ModuleName)=([forms]![frmTraining Modules > Completed by Trainees]![SelectModule]))) OR (((([forms]![frmTraining Modules > Completed by Trainees]![SelectModule])) Is Null)); > > > How can i do it in reverse? i tried this code: > > SELECT qryTrainingModules.ModuleName, qryTrainingModules.SessionDate, > qryTrainingModules.TraineeID, Trainees.LastName, Trainees.FirstName, Trainees. > JobTitle, Trainees.ContractorName, qryTrainingModules.NoShow, Trainees. > Language > FROM Trainees INNER JOIN qryTrainingModules ON Trainees.TraineeID = > qryTrainingModules.TraineeID > WHERE (((qryTrainingModules.NoShow)<>False)); > > This shows a report of trainees who failed to attend the training course, > which is also needed on the report since they have to take the course again. > Also, i need to display on this report the trainees who doesn't have training > history so they can be enrolled. And that's my problem, its not showing > trainees with no training history. > > > > My database has the following tables: > > [Trainees] > - TraineeID (PK) > - FirstName > - LastName > - etc... > > [Training Records] > - ID (PK) > - TraineeID > - TSID > - NoShow > > [Training Sessions] > - TSID (PK) > - ModuleName > - SessionDate > - SessionTime > > [tblModules] > - ModuleName (PK) > > -- > Message posted via AccessMonster.com > http://www.accessmonster.com/Uwe/Forums.aspx/access-tablesdbdesign/201001/1 > > . >
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