Nullable check in change capture

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Ragunathan Gunasekaran
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Nullable check in change capture

Post by Ragunathan Gunasekaran »

Hi ,
I am using a change capture stage and the before and after datasets have nullable varchar2 columns..My change capture stage is not working fine .. I am not sure whether the Change capture stage would compare the Null in varchar2 columns ... How do i check whether the change capture stage is treating records with Null in before and after datasets as copy records not as ipdate records
Regards
Ragu
ray.wurlod
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Post by ray.wurlod »

Since NULL can not be compared to anything (even another NULL) I believe that what you are trying to do is not valid. Handle the nulls by converting to in-band null or dropping those rows upstream of the Change Capture stage.
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