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Posted by mike_kilby@hotmail.com on 10/10/02 11:52
Thanks for your help Tom,worked a treat.
Thomas R. Hummel wrote:
> mike_kilby@hotmail.com wrote:
> > Hi,
> >
> > I am trying to set up a DTS Package to transfer data from a remote
> > MySQL server to a local MS SQL database. The source tables will remain
> > static as will the destination however I only want to copy down data
> > that does not already exist in the local database.
> >
> > I have two different methods of which to identify the new rows, on some
> > tables it is by a unique ID thus in TSQL I would say WHERE ID > x.
> > Other tables are by date where I would want to do something like WHERE
> > CreateDate >= GetDate()-1
> >
> > How would I go about performing such clauses using DTS?
>
> Hi Mike,
>
> Assuming that I am understanding you correctly... in your data pump you
> should select "SQL Query" on the "Source" tab. Then fill in the query
> using something like:
>
> SELECT my_columns
> FROM dbo.My_Table
> WHERE id > ?
>
> The "?" tells DTS that you will supply it with this parameter. Now
> click on the Parameters button and create a global variable to hold the
> maximum ID value in your destination table. Now you just need to make
> sure that the global variable gets filled *before* your data pump. You
> can use the Dynamic Properties Task for this, with an "On Success"
> workflow constraint between that and your data pump.
>
> You may need to play with the dates a bit to make sure that you have
> the right global variable data type/formats, etc.
>
> HTH,
> -Tom.
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