I have been working on this for a while, and unless I have missed a
vital part of Access then I think it is very difficult to do.
I have a database with two main tables:
Drivers: Driver Details
DriversData: RecordID, DriverID, WeekEnding, MondayHoursWork ed,
TuesdayHoursWor ked, etc.
I can get a report for a specific person showing the last 17 weeks,
and an average hours per week for this. (I used SELECT TOP 17).
I need a list of drivers and their 17 week averages.
This looks like I need to need to feed list of drivers into another
query? or run another query many times.
Any help gratefully appreciated, even if it is just a keyword to point
me in the right direction.
TIA
Andrew
3  1501 
Andrew Fox wrote: I have been working on this for a while, and unless I have missed a
vital part of Access then I think it is very difficult to do.
I have a database with two main tables:
Drivers: Driver Details
DriversData: RecordID, DriverID, WeekEnding, MondayHoursWork ed,
TuesdayHoursWor ked, etc.
I can get a report for a specific person showing the last 17 weeks,
and an average hours per week for this. (I used SELECT TOP 17).
I need a list of drivers and their 17 week averages.
This looks like I need to need to feed list of drivers into another
query? or run another query many times.
Any help gratefully appreciated, even if it is just a keyword to point
me in the right direction.
TIA
Andrew
Well, you can always determine what the date range is. Look at DateAdd.
For example
? DateAdd("ww",-17,Date())
returns 6/16/2004.
So then you can select records where weekending is between this and that
and group them on driver and weekending.
Much easier than your suggestion.
Andrew Fox,
Dig around for help on nested subqueries. I'd run a subquery that generated
averages for all my drivers and then a wrapper query which only picked the
top 17.
"Andrew Fox" <an*********@ho tmail.com> wrote in message
news:23******** *************** ***@posting.goo gle.com... I have been working on this for a while, and unless I have missed a
vital part of Access then I think it is very difficult to do.
I have a database with two main tables:
Drivers: Driver Details
DriversData: RecordID, DriverID, WeekEnding, MondayHoursWork ed,
TuesdayHoursWor ked, etc.
I can get a report for a specific person showing the last 17 weeks,
and an average hours per week for this. (I used SELECT TOP 17).
I need a list of drivers and their 17 week averages.
This looks like I need to need to feed list of drivers into another
query? or run another query many times.
Any help gratefully appreciated, even if it is just a keyword to point
me in the right direction.
TIA
Andrew
Thanks for the help so far, I am looking into nested sub queries,
however:
I'll try to restate, I need to create an average from the top 17
records, for each driver.
Using a nested subquery to select the top 17 would result in only 17
records, however I need 17 for each driver.
What I need is a way of saying select these records and group by
driver, but only select 17 records for each driver.
Hope this is clearer.
Andy
"Alan Webb" <kn*****@hotmai l.com> wrote in message news:<I-*************** *****@comcast.c om>... Andrew Fox,
Dig around for help on nested subqueries. I'd run a subquery that generated
averages for all my drivers and then a wrapper query which only picked the
top 17.
"Andrew Fox" <an*********@ho tmail.com> wrote in message
news:23******** *************** ***@posting.goo gle.com...I have been working on this for a while, and unless I have missed a
vital part of Access then I think it is very difficult to do.
I have a database with two main tables:
Drivers: Driver Details
DriversData: RecordID, DriverID, WeekEnding, MondayHoursWork ed,
TuesdayHoursWor ked, etc.
I can get a report for a specific person showing the last 17 weeks,
and an average hours per week for this. (I used SELECT TOP 17).
I need a list of drivers and their 17 week averages.
This looks like I need to need to feed list of drivers into another
query? or run another query many times.
Any help gratefully appreciated, even if it is just a keyword to point
me in the right direction.
TIA
Andrew This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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