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How can you increase the performance in joiner transformation?
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How can you increase the performance in joiner...
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Mar 28, 2021
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JackTerrance
How can you increase the performance in joiner transformation?
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Mar 28, 2021
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JackTerrance
Below are the ways in which you can improve the performance of Joiner Transformation.
Perform joins in a database when possible.
In some cases, this is not possible, such as joining tables from two different databases or flat file systems. To perform a join in a database, we can use the following options:
Create and Use a pre-session stored procedure to join the tables in a database.
Use the Source Qualifier transformation to perform the join.
Join sorted data when possible
For an unsorted Joiner transformation, designate the source with fewer rows as the master source.
For a sorted Joiner transformation, designate the source with fewer duplicate key values as the master source.
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