Loading Dimensions with Talend Open Studio

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Uploaded by on Jan 26, 2011

Tutorial on loading dimensionally-modeled data structures with Talend Open Studio

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  • In this MySQL target, the surrogate key is an auto_increment field. This would be the same for MS SQL Server.

    Oracle and Postgres uses a sequence (mysequence.NEXTVAL) to generate the surrogate key.

    In Oracle's case, it's possible to first retrieve a sequence and then apply it to more than one target. When using an auto_incr field, you'll need to retrieve the key by a query in the same transation to apply it elsewhere.

    Consider using a tMysqlOutput rather than a tMysqlRow .

  • Be sure to check out bekwam.blogspot.com/2011/02/ta­lend-open-studio-date-dimensio­n-job.html for the date dimension

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  • hi, nice tutorial.but u didn't show how to generate surrogate key.

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