Link table

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Srini Rao
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    I have SQL Server 2008 with database A on machine A. Another  SQL Server 2008 with Lawson S3 database on B. I want to link tables from the database on machine A into a database on machine B and Update the table A using 4GL program.

    Any help is Appreciated.
    Judy Consoli
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      From our DBA:

      They can do this.  The linked table needs to be defined in Lawson dbdef so that you can see it with a custom Lawson program.  You would define the link the same way that you define a view.


      Send me your email if you want to discuss offline.

      Judy Consoli
      Judy Consoli
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        See Knowledge Base Article

        KB 1208563



        for information on building a view
        Srini Rao
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          Thanks Judy.

          Ari
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            The thing to remember is there is no such thing as Linked Tables in SQL Server. There are Linked Servers, that allow you to Link Servers together to do the same thing as Fully Qualified Names. Once you link the servers you can create a View that references the Base Table(s) in the Foreign Database. You would then define the View up in Lawson's dbdef as described in the above KB article. The Lawson custom program can then  Add, Delete and Modify columns in one of the Foreign Base Tables referenced in the View. This can be done because SQL Server allows updating columns in only one base table that is in a View. If your View only references one table then this would not be a problem. Also, remember to define your column datatypes in your foreign Table(s) as types that are supported by dbdef. Either that or you will need to do cast or converts in your view.

            Srini Rao
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              Ari, Thanks for the information. I was able to create view and access the data using rngdbdump
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