November 2012
Beginner
320 pages
6h 42m
English
Content preview from Getting Started with Talend Open Studio for Data Integration
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Duplicating and merging dataflows
Our final section in this chapter will look at how we can duplicate and merge dataflows. Duplicating dataflows is particularly useful as it allows us to undertake different processing on the same data without having to read a file twice or query a database twice. Merging dataflows allows us to take data from different sources and rationalize it into a single dataflow.
Duplicating data
Open the job DuplicatingData from the Resources directory.
It starts with a simple database query. The dataflow from this is replicated using a tReplicate component and the same dataflow is subsequently passed to two processing streams. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.