(Msg. 17) Posted: Wed Sep 09, 2009 5:20 pm
Post subject: Re: DYNAMIC STUDENT DATABASE [Login to view extended thread Info.] Archived from groups: microsoft>public>access>tablesdbdesign (more info?)
Dale,
Thank you very much for your "two cents" which in my small disorganized
brain is fifty dollars!! I totally admire your style, yet wonder how many of
those MVP's out there actually using naming conventions these days.
"Dale Fye" wrote:
> Brad,
>
> Just my 2 cents. You might want to consider using a naming convention so
> that when you look at an object name, you can tell what it is. I would also
> recommend (for future use) not putting spaces in table, field, or any other
> object names.
>
> I use the prefix "tbl_" for all my tables and the prefix "qry_" for all my
> queries.
> If a query is for a form (either the form or a control on the form), I use
> something like: qry_frm_Admin, or qry_frm_Admin_cbo_Students
>
> Do the same for queries related to forms. This allows me to look at my list
> of queries and know exactly what they are being used for.
>
> ----
> HTH
> Dale
>
>
>
> "Brad Hodges" wrote:
>
> > John,
> >
> > I'm sorry. I know the difference. I should have used quotes--the name of
> > the query is "admin table" which is created by using the allstudentdata which
> > currently is the "catch-all" redundant unnormalized table. Every fiscal year
> > each new class starts over with a different number. "Basic Writing"
> > 001-2009", "002-2009" and so on, and as of 01 October, Basic Writing
> > "001-2010", "002-2010" and so son. I have commencement dates, graduation
> > dates, status field, and a whole lot more. I've broken it down to classes,
> > with classID PK, and session with classID FK, but fuzzy after that. I'll
> > repost this question in the appropriate blog.
> > Thank you so much John. You're fantastic. Where do I put the NZ code?
> >
> > "John W. Vinson" wrote:
> >
> > > On Tue, 8 Sep 2009 14:18:26 -0700, Brad Hodges
> > > <bradhodges.RemoveThis@discussions.microsoft.com> wrote:
> > >
> > > >John,
> > > >
> > > >Thank you very much. I'm not sure what this creates. I have an admin table
> > > >(query) which is derived from an allstudent table. How do I eliminate the
> > > >status column yet allow the query to function? What is "NZ" in your example?
> > > > Is this a pseudoname? Thanks again.
> > >
> > > Is your admin table a table, or a query? They are NOT THE SAME THING: a table
> > > is actual stored data on disk, and a query is a volatile derived object
> > > extracting data from a table (or tables). My suggestion is a Query which will
> > > include a field named Status, containing either "active" or "history",
> > > depending on the value of the date field.
> > >
> > > NZ() is a built in function in Access that converts a NULL value to its second
> > > argument, so
> > >
> > > IIF(NZ([Graduation date], Date()) >= Date(), "Active", "History")
> > >
> > > will use today's date in the comparison if [Graduation date] is NULL; this
> > > will ensure that a record with no graduation date specified is shown as Active
> > > (along with those with a graduation date in the future). Graduation dates that
> > > are in the past will be shown as "History".
> > >
> > > --
> > >
> > > John W. Vinson [MVP]
> > >
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