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question asked: Jun 29 '14, 4:42 p.m.
question was seen: 4,322 times
last updated: Jul 20 '14, 4:59 p.m.

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RRDI - DCC 5.0 - "Delete Fact Table Data" from ODS?

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Larry McCarthy (210●22●24) | asked Jun 29 '14, 4:42 p.m.
edited Jul 09 '14, 4:53 a.m. by Francesco Chiossi (5.7k●1●11●19)
CLM 5.0, DCC 5.0 ...

Deleteing data from a data warehouse always makes me nervous. I searched for documentation on the subject, but only found the name of this data collection job listed in the help, like it's listed on the ccm/web page.

Why would I want to "Delete Fact Table Data" from ODS? Maybe to keep it from growing infinitely?

Would I want to run it on a different scedule than the other DCC jobs, just to be sure the data's around if I need it, say for a month? Or would that bork the other DW jobs that use ODS data?

Your thoughts?
Thanks,
Larry.

p.s. - Creating a "dcc" tag


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Rafik Jaouani (5.0k●1●6) | answered Jul 03 '14, 10:00 a.m.
JAZZ DEVELOPER
The "Delete Fact Table Data" deletes contents from the F_C_* tables which maintain current metrics that need to be updated during each metric ETL run. Some fact tables that also maintain daily (once a day) historical metrics need to be cleaned up so  we only keep the latest metrics for the current day.
Larry McCarthy selected this answer as the correct answer
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Larry McCarthy commented Jul 20 '14, 4:59 p.m.

Ah. Thanks, Rafik!

So, the "ODS Fact Table" isn't data in the ODS, it's data from the ODS, ETL'ed to the DW to get cubed. Got it!

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