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Need advise for AV10 for building application

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  • Need advise for AV10 for building application


    i am planning to build window application using mysql as a database (not using DBF), could anyone share experience about building window application using mysql table?

    i have some question regarding with this:

    1. if i want to use mysql table, do i have to use create active link for each table?
    2. how about the performance if one table consist of more than 1 million record?


  • #2
    Re: Need advise for AV10 for building application

    Q2 only - there is a video on A5 website that talks about performance with a million records. I think it is on the link from the support pages at

    Not absolutely sure on Q1 but I think there may be a video there on that as well
    Mark Pearson
    [email protected]
    Youtube channel


    • #3
      Re: Need advise for AV10 for building application

      Hi Andy,
      if i want to use mysql table, do i have to use create active link for each table?
      Yes, if you need to add new or update existing records. Otherwise passive link would be good for viewing.
      Keith Hubert
      Alpha Guild Member
      KHDB Management Systems
      Skype = keith.hubert

      For your day-to-day Needs, you Need an Alpha Database!


      • #4
        Re: Need advise for AV10 for building application

        Hi Keith Hubert,

        Yes, i need to do delete, update and insert for the table.

        Thank you for your reply, are you using mysql database for your desktop window application built with A5V10?
        any issue so far if you have many records (let's say more that 1 millions) on the browse, any trick to do this, as we know that on grid we have page that we can arrange for how many record on a page?



        • #5
          Re: Need advise for AV10 for building application

          That Over 1 Million Records MySQL Video can be a little misleading because MySQL caches results and it looks like he keeps running the same query over and over, and even possibly before he recorded the video.

          But as far as performance goes, MySQL beats DBFs hands down. I have a table with over 300,000 records and regularly use a query to add up quantities between certain dates.

          On my local machine, running on AMD Athlon 2.7 Ghz dual core with 4 GB DDR3 it takes the DBF about 2-3 seconds to come back with a result. Using a replicated table in MySQL on a machine with the same specs, the same query takes "0.02" seconds according to MySQL.

          Now the proof is in the pudding when I do a grid that needs that calculation with 50 records. It takes 100 seconds for the DBF while it takes 1 second for MySQL + render time to draw the screen.

          For your other question, I use a mixture of active link tables, xBasic connection strings and grids using a defined connection string. From my experience, performance sort of sucks in active link tables when you view them as a browse when there are 100,000+ records (viewing 1000 at a time). But otherwise performance is vastly greater than a DBF.

          Another performance plus with MySQL in the desktop environment is that you will probably be running it on a server that has a lot better specs than the standard desktop that Alpha would run a DBF on.