Database on a server

[Jan Schenkel]

Hi Richard,

Sorry to disappoint you, but MetaCard/RunRev is
inherently a single-user aplication, with roots in
Unix. It loads an entire stack into memory, but
doesn't "lock" the file in any way. Thus, it may seem
that multiple users can open a stack and work with it.
However, if you want to "save" the data from memory
back to file, the troubles start because you cannot
know which user has the correct version in memory, if
any one user has it at all.
This is no problem if nothing has to be written back
to the disk, but if you really want a database, use
RunRev as front-end for MySQL, Valentina, Oracle or
any ODBC-capable DBMS.

Hope this explained a few things,

Jan Schenkel.

"As we grow older, we grow both wiser and more foolish
at the same time."  (De Rochefoucald)

--- Richard Hillen <mail at richard-hillen.de> wrote:
> Hello list,
> 
> I made a database using the splash-screen method,
> compiled it as a
> standalone and put it on a server, so that my
> co-workes can use it also.
> They should use it reading and writing.
> 
> My questions:
> 
> 1) If one person is working with the stack and
> another person wants to
> use it also, Is there a method in RunRev to inform
> this person, that the
> stack is in use?
> 
> 2) Is there a method to explore, which user is using
> the stack, so i can
> inform other users, who want to use the stack, that
> at present "user
> NNN" is using the stack?
> 
> 3) Are there further suggestions, how to handle this
> problem?
> 
> Thank you.
> 
> Richard.
> _______________________________________________
> use-revolution mailing list
> use-revolution at lists.runrev.com
>
http://lists.runrev.com/mailman/listinfo/use-revolution


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