December 2014
Intermediate to advanced
362 pages
8h 12m
English
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Classification of transformations
At this point, we have seen quite a few transformations and their functions. Before we look at the next transformations, let's talk about the classification of transformations. Based on their functionality, transformations are divided as follows.
Active and passive
This classification of transformations is based on the number of records in the input and output port of the transformation. This classification is not based on the number of ports or the number of groups.
If the transformation does not change the number of records in its input and output ports, it is said to be a passive transformation. If the transformation changes the number of records in the input and output ports of the transformation, it is said ...
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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.