Kamis, 27 Oktober 2011

Re: [MS_AccessPros] primary keys and relationships

 

Hi Davey,

Did you see my message 93900?

If you upload a recent EDECS file I will test my
old code to see if it runs OK with latest level.

Regards, Clive.

--- In MS_Access_Professionals@yahoogroups.com, "Clive" <zctek@...> wrote:
>
> Hi Davey,
>
> Are you using 'RaceForm Interactive' ?
>
> I produced a File Converter to change an EDECS file into
> a Runners File and a Riders File back in Access95 days.
>
> If you want to have fun and use Access to manipulate
> the data then I will upload the File Converter to the
> Access Files for you.
> It may need tweaking if the EDECS format has changed
> since I wrote it.
>
> If you want make money instead then read Tom Segal
> (PriceWise) in the Racing Post <g>.
>
> Please let me know.
>
> Regards, Clive(Williams)
>
> --- In MS_Access_Professionals@yahoogroups.com, Crystal <strive4peace2008@> wrote:
> >
> > Hi Davey,
> >
> > did this come from an XML dump?  It appears to be structured.  I see these tables ... and more ...
> >
> > Events
> > - EventID, autonumber -- PK
> > - EventName, text (ie: Saturday Races)
> > - EventDate, date/time
> >
> > Courses
> > - CourseID, autonumber, PK
> > - CourseName
> >
> >
> > Races
> > - RaceID, autonumber, PK
> > - RaceNo
> > - CourseID
> > - PrizeAmt
> > - Winner
> >
> >
> > Horses
> > - HorseID, autonumber, PK
> > - HorseName
> > - hOwner
> > - hDOB, date/time, date of birth
> > - hAge, number, in case DOB is not available
> > - hWeight, number
> >
> > - etc
> >
> > RaceHorses
> > - RaceHorsID, autonumber, PK
> > - RaceID, long, FK to Races
> > - HorseID, long, FK to Horses
> > - RunTime, date/time
> >
> > if prizes are trophies or something that revolves, you will need to put PrizeID in the Races table
> >
> > Prizes
> > - PrizeID, autonumber, PK
> > - PrizeName, text
> > - PrizeAmt, currency
> >
> > PK = Primary Key
> > FK = Foreign Key
> >
> > for structure ideas, watch the videos in the Learn Access playlist here:
> > http://www.YouTube.com/LearnAccessByCrystal
> >
> > and read this book (especially Normalization and Relationships chapters)
> >
> >
> > Access Basics by Crystal (Bill Mosca's site)
> > http://thatlldoit.com
> > Free 100-page book that covers essentials in Access
> >
> > and get a couple good big reference books for Access such as a book in John Viescas' signature ;)
> >
> > Warm Regards,
> > Crystal
> >
> >  *
> >    (: have an awesome day :)
> >  *
> >
> >
> >
> >
> >
> > ________________________________
> > From: John Viescas
> >
> > Davey-
> >
> > Well, the data you pasted is almost impossible to read!  If you have a table for
> > horses, then put the linking HorseID into the Results table to link the result
> > to the horse.  In an Access form, you would use a combo box on HorseID in the
> > results form to pull in the horse names to make it easy to pick the right ID.
> >
> > John Viescas, author
> > Microsoft Office Access 2010 Inside Out
> > Microsoft Office Access 2007 Inside Out
> > Building Microsoft Access Applications
> > Microsoft Office Access 2003 Inside Out
> > SQL Queries for Mere Mortals
> > http://www.viescas.com/
> > (Paris, France)
> >
> >
> >
> > -----Original Message-----
> > From: Davey H
> > Sent: Tuesday, October 25, 2011 s
> >
> > Even though I'm the wrong side of Cemetary Hill I joined the computer
> > revolution and taught myself Excel.
> > My hobby is Horse Racing and I had been keeping the results in an Excel
> > File. However that has grown to a huge spreadsheet and I found it very
> > hard to learn how to extract the information needed.
> > I therefore tried to learn Access but am finding it very difficult to
> > understand in places in particular keys and relationships. Below are the
> > tables. the HORSE  table has ID as primary key but after that I'm at a
> > loss trying to decide primary and foreign key connections between
> > tables.
> > I would appreciate your advice.
> >
> > Many Thanks
> > Davey H
> >
> >     RESULTS                          DECS                      HORSE
> > RaceNo  466066  466080                  RaceNo  1                 
> > HORSEID  HORSE      Course  DONC    NEWB                    Course 
> > ASCO                  1  A B Celebration      Date  21-Oct-11 
> > 21-Oct-11                  Date  1/1/2011                  2  A Boy
> > Named Suzi      Rtime  15:45  16:05                  Rtime  14:00
> > 3  A P Ling        Go  GD  GF                  Go  GD
> > 4  A Pocketful Of Rye  (IRE)        Age  4  4                  Furs
> > 6                  5  A Southside Boy (GER)      Furs  6  10
> > Class  4                              Class  2  4                 
> > Prize  1111                              Prize  £11,450 
> > £4,528                  Horse  A P Ling
> > Ran  22  15                                                      Pos
> > 1  1                                                      Drw  20 
> > 14                              RACES                      Btn  2.25
> > 0.1                  RaceNo  466066  466080  466067  466081 
> > 466068              TBtn  2.25  0.1                  Course  DONC
> > NEWB    DONC    NEWB    DONC                Horse  Bohemian Melody 
> > Jiwen (CAN)                  Date  21-Oct-11  21-Oct-11  21-Oct-11 
> > 21-Oct-11  21-Oct-11              Wgt  122  129                 
> > Rtime  15:45  16:05  16:20  16:40  16:55              OR  91  83
> > Go  GD  GF  GD  GF  GD              GRD  105  81
> > Age  4  4  4  3  4              WA  4  8                  Furs
> > 6  10  14.6  8  10.3              AA  0  0                 
> > Class  2  4  4  5  4              PPL  2.95  1.77
> > Prize  £11,450  £4,528  £4,528  £2,588  £4,528
> > RAW  102    85                    Ran  22  15  18  12  19
> > RAWadj  88  82                  BHB  105  81  84  75  85
> > BHB  107  81                  WA  4  8  0  9  7             
> > BHBadj  89  70                  AA  0  0  0  2  0             
> > HEAL  98  78                                                     
> > ORADJ  80  72
> >
> > [Non-text portions of this message have been removed]
> >
>

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