Re: TZF - ZAP; deleting Indexes

Dear Lloyd:

> Thanks for your good answers to my previous question.
> I have two more (I'm new to TOPAZ for Delphi).
> 1. I'm having trouble getting ZAP to work. I do as the manual suggests,
> close the file, declare it exclusive (though it's a single-user
> progarm), and zap it. The zap doesn't "take." What am I missing? It does
> this whether or not I open the file exclusive.

Yes, this is a bit tricky to do the ZAP. I found out two solutions for doing
the ZAP. If you like to set the Database file active during design
time(Active=True in the Object Inspector) you have to set Exclusive=True at
design time also. The problem of this method is you can't set the exclusive
to false during run time(by your codes).  I don't know why but I just can't
do it. This problem caught me for a long time until Marie told me a
solution. If you have to set the exclusive on and off during run time(in
your codes) then you have to set the database file to be unactive during
design time(Active=False in the Object Inspector) and activate it in your
codes.

> 2. When I'm working in the IDE with the indexing program, when I delete
> an index I get a system error and have to exit Delphi and restart it. My
> solution has just been not to delete indexes, but I'm getting quite a
> number of them with some tables. Again, I'm missing something.

I have never tried NDX but I don't see any problem with the MDX indexing
method. Topaz's indexing is very fast so I always detele the MDX files
during development stage to avoid the corrupted indexing file.

I hope this can be useful to you.

Abi

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