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date: Mon, 16 Jun 2008 05:38:18 -0700 (PDT),    group: microsoft.public.access.replication        back       


Mysterious fields appearing in modified desgn master table   
After adding 5 new fields to a table in a replicated design master
database, Access is replacing the display of 2 fields with "system
replication" fields.  These 2 fields are prefixed with "Gen_", have a
data type of Number and relate to two memo fields present in the
table.

If I query SELECT Master.* FROM Master; all the 5 new fields are
shown, but they are replaced with the "Gen_" fields if selecting by
field.


Does anyone have any idea what is going on?
date: Mon, 16 Jun 2008 05:38:18 -0700 (PDT)   author:   Jenno

Re: Mysterious fields appearing in modified desgn master table   
Jenno  wrote in
news:40e80b30-d130-46eb-85d9-ca5781a29476@a70g2000hsh.googlegroups.co
m: 

> After adding 5 new fields to a table in a replicated design master
> database, Access is replacing the display of 2 fields with "system
> replication" fields.  These 2 fields are prefixed with "Gen_",
> have a data type of Number and relate to two memo fields present
> in the table.
> 
> If I query SELECT Master.* FROM Master; all the 5 new fields are
> shown, but they are replaced with the "Gen_" fields if selecting
> by field.
> 
> Does anyone have any idea what is going on?

You added memo fields. For each memo field in a replicated table,
there is a Gen_ field that tracks the changes to the memo fields.
This is because memo data is not stored in the record itself, but
somewhere else in the data file (the only thing that's stored in the
record for the memo field is the pointer to the location of the memo
data). 

This is absolutely standard for all replicated tables with memo
fields. 

If you find the location of them annoying, in table design in your
Design Master, move them to the end of the table. But that oughtn't
really matter. 

-- 
David W. Fenton                  http://www.dfenton.com/ 
usenet at dfenton dot com    http://www.dfenton.com/DFA/
date: 16 Jun 2008 21:43:47 GMT   author:   David W. Fenton lid

Re: Mysterious fields appearing in modified desgn master table   
Thank you for your response and clear explanation.  I get the
principle of the Gen prefix for memo fields.

My real issue is that of the 5 new fields I added (all Yes/No data
type), 2 are now not displayed but have been replaced by Gen prefixed
fields representing previously existing memo fields.  I cannot see
these 2 new fields in either design or datasheet view.

Any further thoughts on whats happening?
date: Tue, 17 Jun 2008 05:25:43 -0700 (PDT)   author:   Jenno

Re: Mysterious fields appearing in modified desgn master table   
Jenno  wrote in
news:beaa2fc6-08fe-4ff6-9fa8-8af9b4a73acd@k30g2000hse.googlegroups.co
m: 

> Thank you for your response and clear explanation.  I get the
> principle of the Gen prefix for memo fields.
> 
> My real issue is that of the 5 new fields I added (all Yes/No data
> type), 2 are now not displayed but have been replaced by Gen
> prefixed fields representing previously existing memo fields.  I
> cannot see these 2 new fields in either design or datasheet view.
> 
> Any further thoughts on whats happening?

In datasheet view, have you gone to the FORMAT menu and looked at
the HIDE COLUMNS list? I'm not sure why there'd be issues in table
design view, though. Do you have SHOW HIDDEN and SHOW SYSTEM objects
turned on? 

-- 
David W. Fenton                  http://www.dfenton.com/ 
usenet at dfenton dot com    http://www.dfenton.com/DFA/
date: 18 Jun 2008 17:03:10 GMT   author:   David W. Fenton lid

Re: Mysterious fields appearing in modified desgn master table   
On Jun 18, 1:03 pm, "David W. Fenton" <XXXuse...@dfenton.com.invalid>
wrote:
> Jenno  wrote innews:beaa2fc6-08fe-4ff6-9fa8-8af9b4a73acd@k30g2000hse.googlegroups.co
> m:
>
> > Thank you for your response and clear explanation.  I get the
> > principle of the Gen prefix for memo fields.
>
> > My real issue is that of the 5 new fields I added (all Yes/No data
> > type), 2 are now not displayed but have been replaced by Gen
> > prefixed fields representing previously existing memo fields.  I
> > cannot see these 2 new fields in either design or datasheet view.
>
> > Any further thoughts on whats happening?
>
> In datasheet view, have you gone to the FORMAT menu and looked at
> the HIDE COLUMNS list? I'm not sure why there'd be issues in table
> design view, though. Do you have SHOW HIDDEN and SHOW SYSTEM objects
> turned on?
>
> --
> David W. Fenton                  http://www.dfenton.com> usenet at dfenton dot com    http://www.dfenton.com/DFA/

Thanks for the suggestion.  The columns are not hidden and the SHOW
HIDDEN and SHOW SYSTEM objects are both enabled.
I ran a documenter analysis on the table and all 5 of my new fields
appear there!
Running out of ideas and time on this one.
date: Thu, 19 Jun 2008 14:28:55 -0700 (PDT)   author:   Jenno

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