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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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Community members are encouraged to click the "Report Post" icon in the lower left of a given post if they feel the post is in violation of the rules. This will alert the Moderators to take a look.

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.

When you do post
First, make sure you are posting your question in the correct forum. For example, if you post an issue regarding Desktop applications on the Mobile & Browser Applications board , not only will your question not be seen by the appropriate audience, it may also be removed or relocated.

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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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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Transaction Processing

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    Transaction Processing

    Does A5 support transaction processing (commit, rollback, etc.) If not, will A5V6 support it?

    TIA

    Bob Gluck

    #2
    RE: Transaction Processing

    a5v5 does not support transaction processing. from what i understand, v6 will. for one thing, v6 will be able to use MySQL as a native back end, and MySQL supports transaction processing.

    Comment


      #3
      RE: Transaction Processing

      If you don't mind explaining, what is "transaction processing"?

      Gary
      Gary S. Traub, Ph.D.

      Comment


        #4
        RE: Transaction Processing

        Gary,

        Transactions involve being able to make multiple statements atomic, or, in other words, indivisible. Therefore, one accomplishes an "all or nothing" type of processing. In other words, suppose one is required to make multiple insertions into multiple tables. For certain applications, it is necessary to have either all those insertions be successful or none at all. Take for instance an online shopping center. For each order, a general order must be placed about the order/customer in one table as well as a list of several items in another table with an order number or ID serving as the key. There may be even more insertions depending on the specific implementation, but this is just the basics here. Now, suppose there are 3 items. These items plus the order constitute 4 insertions. Suppose, the order and the first item are successfully inserted, but the second items fails for unforseen circumstances with the database server. With transactions, the first item and the order are removed as well since the insertion for the second item failed. This is what as known as a rollback. If all insertions are successful, then the order is committed.

        Greg

        Comment


          #5
          RE: Transaction Processing

          Greg,

          Thanks for the clarification.

          By the way, I do recall reading something about commits and roll back operations in the Xbasic manual - did you see that?

          Gary
          Gary S. Traub, Ph.D.

          Comment


            #6
            RE: Transaction Processing

            Mysql is relatively new to the game of atomic transactions. I think they just achieved that a release or two ago. I think mysql is a perfectly functional backend to most websites.

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