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<tbl>.append() vs. MS SQL Server's Import

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  • <tbl>.append() vs. MS SQL Server's Import

    Does anyone have any suggestions why the <tbl>.append() would take well over 5 days plus to load 1.2 million rows into a MS SQL Server table?
    MS SQL Server's Import feature can load the same exact data from a text file in less than a minute.
    The data being loaded contains 11 columns with a combinations of types character, numeric, and bit.

  • #2
    Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

    Does anyone have any suggestions why the <tbl>.append() would take well over 5 days plus to load 1.2 million rows into a MS SQL Server table?
    MS SQL Server's Import feature can load the same exact data from a text file in less than a minute.
    The data being loaded contains 11 columns with a combinations of types character, numeric, and bit.
    it would seem ms sql would be faster(more direct), but 5 days vs 1 minute? Guessing something in the alpha link to sql has to be a bit off. A lot off, it would not happen at all.

    Question, are you importing text and then sending it to ms sql?

    Others may be better to answer this, but I think more information is needed for a definitive answer.


    .
    Dave Mason
    dave@aldadesktop.com
    Skype is dave.mason46

    Comment


    • #3
      Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

      I agree with Dave. Please explain to us the method you're using. Proper procedures should exceed 20,000 records per second.
      -Steve
      sigpic

      Comment


      • #4
        Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

        I am loading data to an Active-Link (MS SQL Server) table in Alpha five from a Foxpro 2.6 DOS table using the <tbl>.append() process.

        Comment


        • #5
          Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

          Darryl,

          I am loading data to an Active-Link (MS SQL Server) table in Alpha five from a Foxpro 2.6 DOS table using the <tbl>.append() process.
          Ok! You explained what you are doing(kinda guessed that part), but not how you are doing it. I am NO expert on sql yet, but I would add my connection string and exact procedure and code used on this thread so really knowledgeable people can help. Also, is this a web process or a desktop? I would post this in the appropriate section for what you are working with(v10 web - desktop or v9 or...) so MORE people will see it.

          Somewhere in the process, there is a problem( you figured that ouit). You did get it to work though.


          .
          Dave Mason
          dave@aldadesktop.com
          Skype is dave.mason46

          Comment


          • #6
            Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

            Basically, I am new to Alpha Five, I have been designing and developing business applications for 25 plus years, using Foxpro, .Net, Oracle, and SQL Server. Since I am new to Alpha Five and I believed this to be a new developer type question, hence the reason why I posted here. With this program I am just trying to upload 1.2 million rows from a Foxpr0 2.6 table into an Alpha Active-Link table.




            ' Connection string to MS SQL Server
            {A5API='SQLServer',A5DBVersion=2008,Server='(local)',A5ANSINullPadWarn=Default,UserName='user_1',Password='*****',Database='Alpha'}


            dim tbl_old as p
            dim tbl_new as p

            ' Open Active-Link table (MS SQL Server)
            tbl_new = table.open( "MSTHIN", FILE_RW_SHARED )

            ' Open Foxpro 2.6 table
            append.t_db = "K:\CPUMSTDAT\MSTHIN.DBF"

            ' Init append statement
            append.m_key = ""
            append.t_key = ""
            append.m_filter = ""
            append.t_filter = ""
            append.type = "All"
            append.m_count = 11
            append.m_field1 = "TICKET"
            append.m_exp1 = "@MSTHIN->TICKET"
            append.m_field2 = "SALKEY"
            append.m_exp2 = "@MSTHIN->SALKEY"
            append.m_field3 = "IND_CASH"
            append.m_exp3 = "@MSTHIN->IND_CASH"
            append.m_field4 = "IND_CHG"
            append.m_exp4 = "@MSTHIN->IND_CHG"
            append.m_field5 = "IND_QTY"
            append.m_exp5 = "@MSTHIN->IND_QTY"
            append.m_field6 = "IND_TAX_L"
            append.m_exp6 = "@MSTHIN->IND_TAX_L"
            append.m_field7 = "IND_TAX"
            append.m_exp7 = "@MSTHIN->IND_TAX"
            append.m_field8 = "IND_TOT"
            append.m_exp8 = "@MSTHIN->IND_TOT"
            append.m_field9 = "IND_DIFF"
            append.m_exp9 = "@MSTHIN->IND_DIFF"
            append.m_field10 = "IND_SEQ"
            append.m_exp10 = "@MSTHIN->IND_SEQ"
            append.m_field11 = "IND_NOTES"
            append.m_exp11 = "@MSTHIN->IND_NOTES"
            append.t_count = 0

            ' Start appending records from Foxpro 2.6 to Alpha Active-Link table
            tbl_new.append()

            ' Close table
            tbl_new.close()

            ' Process complete

            Comment


            • #7
              Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

              I only hope someone takes the time to look at your questions.

              To understand what I mean, look here:
              http://msgboard.alphasoftware.com/al...ad.php?t=92078

              I glance quickly through this section occassionally as others do.

              Your question is more appropriate/will get more people studying it if it is posed in the appropriate v10(or) and desktop(or) section.

              Just copy it and paste it there.

              You will get a lot better help than I can give you.

              .
              Dave Mason
              dave@aldadesktop.com
              Skype is dave.mason46

              Comment


              • #8
                Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

                I really appreciate your reply, however, (and to to be too negative) I do not get too many replies in the other sections as well.

                Comment


                • #9
                  Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

                  The number of records that you have is way above what most users experience.

                  So you'll get a much lower response rate.

                  For 1/10 th the number of records, I wouldn't use anything other than a native load.

                  You could also use an insert with Foxpro to append the records and you'll find that it is considerably slower than the native load. A discreet load of record by record is always slower than the native load (SQL import in your words)

                  Thank goodness there is a process to load natively.

                  Does the SQL import require exclusive access to the table(s)?
                  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

                  Comment


                  • #10
                    Re: &lt;tbl&gt;.append() vs. MS SQL Server's Import

                    I am not sure if the SQL import requires an exclusive access. That would not be an issue for me.
                    However, your suggestion to use Foxpro to append the records may just be the way to go, as far as ease and speed. The SQL import is very fast, however, it does require many manual steps and changing of the data before the actual import.
                    Thanks for your reply.

                    Comment

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