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Can anyone tell me the limits of the built-in Alpha Anywhere database?

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    Can anyone tell me the limits of the built-in Alpha Anywhere database?

    I created a tool for our sales reps to use to obtain a good bit of information. The project has been seen by our other divisions in Europe and Latin America.

    I'm not a database guy so that was why I chose the built-in database and I know that it is subjective to how much data and how much traffic the application would get

    Can anyone give me an idea of how robust the AA database is? The one US version contains close to 10,000 lines broken up into different tables. The additional tables will be about the same.

    I already have the published specs.
    http://wiki.alphasoftware.com/Database+Specifications

    Thanks in advance.
    Last edited by Cygnux; 05-15-2015, 05:11 PM.

    #2
    Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

    Hi Cygnus,
    It's been while but I'm pretty sure that dbf is an Access database and as such here are the specs for it.

    Hope that helped.
    Rapid Development, Training, Support
    http://data2web.network
    903-740-2549

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      #3
      Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

      DBF is not an access database. Access uses an MDB file where all the tables are inside it and I believe it will have problems after 4 gig.
      dbf file can hold to about 2 gigs for each table. You can have a lot of tables in the control panel though.
      If you are doing this on the web where you have posted, the best(my opinion is) sql. I happen to prefer MySQL, but that is debatable depending who you ask.

      Look here:
      http://support.alphasoftware.com/alp...ifications.htm

      also:
      http://www.alphasoftware.com/alphafo...BF-size-limits

      where Stan gave the place to see it all.
      Last edited by DaveM; 05-16-2015, 12:13 AM.
      Dave Mason
      [email protected]
      Skype is dave.mason46

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        #4
        Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

        Thanks David for pointing that out. As I said it's been a while since I played with dbf's.
        Rapid Development, Training, Support
        http://data2web.network
        903-740-2549

        Comment


          #5
          Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

          I think .dbf was originally an old DBase format so that tells you have ancient it is. I wish I knew enough to feel comfortable with SQL but I'm just not there yet.

          Thanks for the info. I'll check it out.

          Comment


            #6
            Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

            dbf was an old dbase format.
            we had a choice in the mid 90s of using it, mdb or something else. We made the wrong choice with mdb at that time. We sent app all over that would stop when the mdb file reached it's limits.

            Wayne Ratliff actually may have been the papa, Ashton Tate made it work with the dbase name.
            Dave Mason
            [email protected]
            Skype is dave.mason46

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              #7
              Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

              The difference is not robust-ness for the number of rows you are talking about. DBF will handle it fine. The overarching difference is the syntax of the code you might need to write to do anything not directly handled by Alpha's point and click. If you use DBF you must use Xbasic designed specifically for DBF. No one but an experienced Alpha developer will understand that code. That statement is partly true if you use SQL, the code is still in Xbasic but how you design queries etc are very recognizable to any experienced SQL developer.
              Steve Wood
              See my profile on IADN

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                #8
                Re: Can anyone tell me the limits of the built-in Alpha Anywhere database?

                Switching to sql will allow limits way beyond those of dbf. But as anything, there are trade offs. On the desktop using alpha, sql will be a bit slower and the coding necessary is a larger field of play.

                For desktop and my own apps, I use the dbf with pleasure. On the web, I generally use MySQL because it can make a home on about any host server.

                With dbf, if the tables may6 have a problem with size, I just split them a few times. You don't do much of that with sql since there is generally not a reason.
                Either way you still have :
                tables
                keys
                foreign keys
                indexes
                The equivalent of sets
                the equivalent of field rules

                There is more.
                Dave Mason
                [email protected]
                Skype is dave.mason46

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