What is difference between union and joiner transformation?

Question

The Joiner Transformation supports Normal,Right Outer, Left Outer, and Full Outer JOINs.You cannot combine records based on a join condition in Union Transformation. The Union Transformation is equivalent to a UNION ALL statement in SQL, which combines data vertically from multiple sources. 8 июн. 2018 г.

What is a joiner transformation?

The Joiner transformation joins data based on the join conditions and the join type. A join condition matches fields between the two sources. You can create multiple join conditions. A join type defines the set of data that is included in the results.

What is union transformation?

The Union transformation is an active transformation that you use to merge data from multiple pipelines into a single pipeline. For data integration patterns, it is common to combine two or more data sources into a single stream that includes the union of all rows.

What is the difference between Joiner transformation and source qualifier?

1. What are the differences between joiner transformation and source qualifier transformation? A joiner transformation can join heterogeneous data sources where as a source qualifier can join only homogeneous sources. Source qualifier transformation can join data from only relational sources but cannot join flat files.

What is the difference between Joiner and Lookup transformation in Informatica?

Joiner is used for joining two homogeneous or heterogeneous sources residing at different locations. Lookup is used to look-up the data. Joiner is an Active Transformation. Lookup transformation is a Passive transformation.

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