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Is it possible to create a VIEW in Alpha5?

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  • Is it possible to create a VIEW in Alpha5?

    Similar to an ORACLE DB VIEW or a MYSQL DB VIEW can I create a similar scenario within Alpha5? That is, create a Table that automatically updates as data is entered into other tables, etc.?

    Thanks for any suggestions or ideas.

    VB,

  • #2
    I believe best practice is that you want to create the view in the native DB and then add the view to Alpha to use.
    Al Buchholz
    Bookwood Systems, LTD
    Weekly QReportBuilder Webinars Thursday 1 pm CST

    Occam's Razor - KISS
    Normalize till it hurts - De-normalize till it works.
    Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
    When we triage a problem it is much easier to read sample systems than to read a mind.
    "Make it as simple as possible, but not simpler."
    Albert Einstein

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    • #3
      The question is a bit vague.
      Do you want to create a view using dbf tables, or do you want to execute sql code in alpha to create a view ?
      Gregg Schmidt

      Comment


      • #4
        Try developing a Set.
        They are effectively views which can be updated but you can control that.
        Views are created as they are launched and are really just joined up tables based on keys.

        If you want summat more robust, try building an OLAP cube. Processed over night, it gives an easier and less time consuming query facility over several tables. Useful when bringing data together for reporting purposes.
        Ted Giles
        Example Consulting - UK
        .

        sigpichttp://ec12.example-software.com//
        See our site for Alpha Support, Conversion and Upgrade.

        Comment


        • #5
          Thank you for the reply's.

          I'm revisiting my attempt to upsize a fairly complex Alpha DB and thought a view might serve my purpose. However, now that I analyze it more closely there is some write back that needs to happen so a view doesn't on the surface look like a solution.

          I'll take a look at a "Set" and see if that will help.

          VB,

          Comment


          • #6
            Don't be surprised if you find out sql gives you better control (easier queries and faster updates) than dbf tables.
            I'm aware of the pains of making the conversion from dbf to sql, but the end result usually makes the effort worthwhile.
            Knowing what I know now, I would convert the tables first (make sure the column definitions are what you want), then
            identify relationships in your set (or the relationships you want to use).
            Gregg Schmidt

            Comment


            • #7
              Depends on what you are comfortable with really. I use both depending on the type of application.
              For single user desktop, DBF is more than adequate.
              For upwards of 20 users, then I tend to go the whole Web thing with SQLServer19.
              Ted Giles
              Example Consulting - UK
              .

              sigpichttp://ec12.example-software.com//
              See our site for Alpha Support, Conversion and Upgrade.

              Comment


              • #8
                Appreciate the responses.

                My simple mind says that if the upsizing is successful and all tables are migrated then the rest of the Forms/Reports/Operations/Code should work since the new SQL tables are essentially linked to the application.

                Yet, I'm running into Index issues and reports not working issues and that doesn't seem to make any sense?

                SNAG-0527.jpg

                When I open all of the tables from Alpha that are linked to SQL they show the correct data and even the sets are working, so where might the problems be??

                For instance, this report has Tables dragged onto it and nothing has changed, those tables all work individually and have data but yet the report doesn't run/complete??? It doesn't make sense..

                SNAG-0528.jpg
                Attached Files

                Comment


                • #9
                  Looks like you need to (re)build the "Responsibi" Index/Query
                  Gregg Schmidt

                  Comment


                  • #10
                    Yep, indices in Alpha are different to an index in SQL.
                    If you try creating an index you will be offered a choice.
                    If using SQL go for that construct else you may have performance issues.

                    I think I have answered this question recently on the Forum.
                    Ted Giles
                    Example Consulting - UK
                    .

                    sigpichttp://ec12.example-software.com//
                    See our site for Alpha Support, Conversion and Upgrade.

                    Comment


                    • #11
                      So trying to work through a report and I don't see any options for changing its connection source??

                      SNAG-0530.jpg

                      All of the reports are connected to "linked" tables now and simply aren't working, the computer just runs and never returns any report data. However, if I create a new report using <SQL Data Source> a report is generated nearly instantly.

                      So this tells me there is a problem with using linked data sources and should be changed to SQL Data Source. How can I modify the reports to use a SQL Data Source instead of a Linked Data source??? That should be an easy modification I would think but I don't see an option anywhere???

                      VB,

                      EDIT

                      There's also no identifier as to a SQL report vs. a non-SQL report...

                      SNAG-0531.jpg

                      Comment


                      • #12
                        Originally posted by madtowng View Post
                        Looks like you need to (re)build the "Responsibi" Index/Query
                        Testing the indexes this error is common... where can I find this script?

                        SNAG-0532.jpg

                        Comment


                        • #13
                          The method I used, and it sucked, was to create a new report. In an effort to minimize errors on my part, I would copy and paste from the dbf report to the sql report,
                          test and make necessary adjustments.
                          Gregg Schmidt

                          Comment


                          • #14
                            Use the [CopyTo] feature to copy the required report from the DBF to the SQL table you want to use. the selected tables you want to Copy To are not designated as SQL - Active or Passive -so pick the correct one.l
                            You will not see the usual "SQL SOURCE" when you right click the report after copying it, but the data will be from the SQL table.

                            However, as Gregg says, the best way may be start over as I am unclear as to what performance issues you may have using this approach. Suggest you try it.
                            Ted Giles
                            Example Consulting - UK
                            .

                            sigpichttp://ec12.example-software.com//
                            See our site for Alpha Support, Conversion and Upgrade.

                            Comment

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