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SQL table creation

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  • SQL table creation

    Ok I am a complete newbie here so forgive any silly questions.

    I have a green field application. I want to use SQL as the database engine fine not a problem I know but can I:

    A: use alpha5 v9 plat to create the tables ie fdefine them then create them on the sql engine?

    B: if i make an app using dbf as is the default and at a later stage i want create sql tables instead can this be done.

    this last scenario is especially useful for prototyping!!!!

    I did look but could not see a way of doing it.


  • #2
    Re: SQL table creation

    A: you will have to create the tables on the sql system

    B: You can define grids and dialogues based on DF tables of course. If you later create sql table structures (which should have similar format and field names/types) you then only have to change the grid data source and query definition to connect to the sql table, resave and republish.


    • #3
      Re: SQL table creation

      I have found that depending on the SQL database system, designing the basic table in Alpha5 as a dbf and then creating an operation to create this table on the SQL db works very well. mySQL seems the best supported/most compatible in this respect.


      • #4
        Re: SQL table creation

        thank you both. Err could you point me in the direction of creating project and what i need to write/do.



        • #5
          Re: SQL table creation

          Try the sample apps that ship with Alpha5 (see screenshot), and the web help, in particular the Tutorials section:

          Also the V9 online docs have video tutorials:

          For help on SQL databases see documentation of your database software manufacturer.


          • #6
            Re: SQL table creation

            I am ok with using existing tables on an sql engine no worries there. but still am not sure how to 'convert' from a dbf app to an active sql link table. ie design in dbf then how do I 'unplug' from dbf to sql, in this case mysql.


            • #7
              Re: SQL table creation

              see next message...


              • #8
                Re: SQL table creation

                Good thing about Alpha is that every single grid is attached to its own data source...

                When you use DBF files you connect to them by using data source "Alpha Five table"..

                When using SQL Databases your datasource is "remote datasource accessed via AlphaDOA.." or ADO.
                Then at QUERY you use the connection string as you defined earlier for your SQL DB system..
                Then at table/ view name you enter the table or view name as known in your sql DB.
                This can be a table or a view you defined in you SQL DB. You can also enter a SQL statement here where you determine the fields for which tables / views used.

                Republish and voila...

                Your application this way can have access to multiple databases, which is a great feature of Alpha..

                Regards, Ron
                Last edited by rleunis; 12-29-2008, 05:37 PM.