August 2017
Beginner to intermediate
426 pages
9h 36m
English
Content preview from Learning Informatica PowerCenter 10.x - Second Edition
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Join condition
As aforementioned, Join condition is the most important element to join the data. To define the Join condition, you need to have a common port in both the sources. Also, make sure the data type and precision of the data you are joining are the same. You can join the data based on multiple columns as well. Joining the data on multiple columns increases the processing time. Usually, you join the data based on key columns such as the primary key of both the table and the primary/foreign key relation of the tables.
Joiner transformation does not consider NULL as matching data. If it receives NULL in the data, it does not consider them matching.
To define the Join Condition, double-click on the Joiner transformation, click on the ...
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