Rabu, 05 Oktober 2011

[AccessDevelopers] Re: Access Restriction

 


Hi Jim,

How do you send a form to each of the databases?

How do you open each folder and find out if any user has the db open?

Giorgio

--- In AccessDevelopers@yahoogroups.com, Jim Wagner <luvmymelody@...>
wrote:
>
> Mark,
>
> In my database I have several buttons that will do the following
>
> Send a form to each of the databases
> send a report to each of the databases
> send a query to each of the databases
>
> I can control what the forms and reports look like in one master
database. I can control the entire process from the main database. It is
very helpful. I even have a button that opens each of the folders where
the databases reside so I can see if anyone is in them. I have several
buttons that email the users to inform them to exit the database for
maintenance and to get back in after maintenance has finished.
>
> Â
> Jim Wagner
> ________________________________
>
>
>
> ________________________________
> From: m_bacheldor m_bacheldor@...
> To: AccessDevelopers@yahoogroups.com
> Sent: Tuesday, October 4, 2011 12:22 PM
> Subject: [AccessDevelopers] Re: Access Restriction
>
>
> Â
> Thank Toby,
>
> It does help but I am looking at it in retrospect and if I had the
access and the knowledge I would be able to use and excel file to
backdoor into the queries. (At least I think that would be possible.)
Even with the database locked down I am not sure that I could exclude
this.
>
> I will keep searching just in case someone else has other ideas. The
only other thing that I might do is just what was suggested in an
earlier post. I might have to create several front end databases and
push the data into them.
>
> Since I have never did this I am sure it will be another fun learning
experience.
>
> I look forward to any more suggestions and help to get this thing
accomplished.
>
> Mark
> --- In AccessDevelopers@yahoogroups.com, "Toby Bierly" toby@ wrote:
> >
> > It is tricky to block access to data in a database yet allow them to
access the same data through an Excel link. In order for the Excel file
to be able to get the data, I imagine the person with the Excel file
would have to have access to the Access database file as well.
> >
> > So then it becomes, is there a way to lock down the database so that
the Excel user can't see the data. If you compile the database to an
MDE, that locks down forms, queries, reports, and modules, but the data
tables are still visible, so that probably won't work. You can go into
Tools --> Startup... and set it so Database Window, special access keys,
etc. are all disabled, but it doesn't stop users from using the Shift
bypass key. There is a way to disable the Shift bypass functionality as
well
(http://www.access-programmers.co.uk/forums/showthread.php?t=51479), but
be VERY careful or you make it so you can't access the database at all
either! Backup, backup, backup!
> >
> > One other concern is that if people can link to the data from Excel,
then they could link to any data in the database. What if you only want
them to be able to link to some tables and not others. In this case, you
may want to set up a seperate data file that the Excel User can access,
and then block access to the main database file via file permissions. In
the main database file, just link to the table that is stored in the
Excel-user-accessible file.
> >
> > Hope that helps,
> > Toby
> >
> > -----Original Message-----
> > From: AccessDevelopers@yahoogroups.com
[mailto:AccessDevelopers@yahoogroups.com] On Behalf Of m_bacheldor
> > Sent: Tuesday, October 04, 2011 8:48 AM
> > To: AccessDevelopers@yahoogroups.com
> > Subject: [AccessDevelopers] Access Restriction
> >
> >
> >
> > Good Afternoon,
> >
> > I have gotten my database working pretty good for now, but now I am
faced with a security issue. Is there a was to restrict access, who can
open the database, but still allow users to access data through
linked/restricted excel files?
> > I have set up excel files that have hard code linkes to the database
queries. I would like for the users to be able to refresh the data from
the excel files but I do not want them to be able to open/access the
database.
> > It seems like the requirements that I am given to complete this task
change daily.
> >
> > I appreciate you responses,
> >
> > Mark
> >
>

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