Start a new topic
Discussions xDM xDM - Data Certification
Answered

Creating matching rules with dates attributes

Hi,

We're trying to match event data according to dates that might be roughly 1-2 days different according to our providers.

is it possible to create a matching rule using the SEM_EDIT_DISTANCE_SIMILARITY function?

Thanks,

Christian

Best Answer

You could use a date range function but ensure it is combined with the matching of other attributes that can identify duplicates or similar records.

3 CommentsSorted by Oldest First

Hi Christian


Edit  distance functions are more suitable for text strings such as names and not really usable for dates.

For instance, 30-Nov-2024 and 1-Dec-2024 is only 1 day different but the strings are vastly different.


Regards, Peter

Hi Peter, thank you.

I found this solution as well and simply casted the date into varchars and it worked better.

I still have to adjust my rule but it's now a bit better.

If I had to compare date, would it be better to do something like a datediff with a range of days?


Thanks,

Christian



Answer

You could use a date range function but ensure it is combined with the matching of other attributes that can identify duplicates or similar records.

Login to post a comment
More topics in xDM - Data Certification
See all 57 topics
Help Desk Software by Freshdesk