7/21/2019 Output Old Value on Update

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8. What is "Output Old Value on Update"?

This option is used when dynamic cache is enabled. When this option is enabled,the integration service outputs old values out of the lookup/output ports. Whenthe Integration Service updates a row in the cache, it outputs the value that existed in the lookup cache before it updated the row based on the input data. When the Integration Service inserts a new row in the cache, it outputs null values

. When you disable this property, the Integration Service outputs the same values out of the lookup/output and input/output ports.