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The Alpha Software Forum Participation Guidelines

The Alpha Software Forum is a free forum created for Alpha Software Developer Community to ask for help, exchange ideas, and share solutions. Alpha Software strives to create an environment where all members of the community can feel safe to participate. In order to ensure the Alpha Software Forum is a place where all feel welcome, forum participants are expected to behave as follows:
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Alpha Software Corporation may amend the guidelines from time to time and may also vary the procedures it sets out where appropriate in a particular case. Your agreement to comply with the guidelines will be deemed agreement to any changes to it.

Bonus TIPS for Successful Posting

Try a Search First
It is highly recommended that a Search be done on your topic before posting, as many questions have been answered in prior posts. As with any search engine, the shorter the search term, the more "hits" will be returned, but the more specific the search term is, the greater the relevance of those "hits". Searching for "table" might well return every message on the board while "tablesum" would greatly restrict the number of messages returned.

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The more detail you provide about your problem or question, the more likely someone is to understand your request and be able to help. A sample database with a minimum of records (and its support files, zipped together) will make it much easier to diagnose issues with your application. Screen shots of error messages are especially helpful.

When explaining how to reproduce your problem, please be as detailed as possible. Describe every step, click-by-click and keypress-by-keypress. Otherwise when others try to duplicate your problem, they may do something slightly different and end up with different results.

A note about attachments
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When attaching screen shots, it is best to attach an image file (.BMP, .JPG, .GIF, .PNG, etc.) or a zip file of several images, as opposed to a Word document containing the screen shots. Because Word documents are prone to viruses, many message board users will not open your Word file, therefore limiting their ability to help you.

Similarly, if you are uploading a zipped archive, you should simply create a .ZIP file and not a self-extracting .EXE as many users will not run your EXE file.
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A4v6 and VPN

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  • A4v6 and VPN

    Has anyone tried A4v6 over VPN? I am currently setting up a cross-town connection from a 256k T1 fraction frame relay to a DSL router using a firewall and VPN tunneling. Accessing a small database of 8 fieldsis relatively fast, but a set with 150 fields is slow. Very slow. Any suggestions on how to speed things up?

  • #2
    RE: A4v6 and VPN


    Using A4 with VPN is not the issue here. VPN will work just fine with A4. The problem is A4 is NOT a client server structure; all records will need to be transmitted to your client machine over your VPN line.


    If a table has over 80,000 rows (records) and you'll need only 10 records, all 80,000 rows will be transferred to your client machine and all queries will be done locally. This is why it's so slow. I've experimented with Microsoft ADO components using A4 tables. I specifically specify only 10 records, all 80,000 rows (records) were transferred to my local machine and then a query was run locally to return 10 records.

    The only way you're gonna get speed is in a client server environment. This is the only way that all queries are done at the server and only those records that you need, are transmitted to you at the client.

    I think Alpha 5 if going to start using the “codebase” client server structure soon.

    Hope this helps.
    RF - ARS Motorola


    • #3
      RE: A4v6 and VPN

      Thanks Ray,
      It is helpful to know that ADO is a blind alley for A4v6. The most consistant advice I've received to date is to use remote application serving such as a Citrix server. That's not a path we want to pursue, but alas, the choices may be few.


      • #4
        RE: A4v6 and VPN

        Set up MS Terinal server on the Server that is controling the vpn. When you log into the Terminal server the only thing that is transmitted to you is the screen and keystokes that you send back.