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  3. February 2010

Re: Record by record update with SQL with no matching key.

For ROW_NUMBER [aka ROWNUMBER], refer to the SQL OLAP specifications:
http://publib.boulder.ibm.com/infocenter/iseries/v6r1m0/topic/db2/rbafzolapexp.htm

I am not sure how helpful that would be for an UPDATE however. It should be able to assist with aforementioned SELECT of CTE, if used to generate a new data file as the result set from the desired join of ROW_NUMBER & RRN between the original file & the fake-data file respectively.

Regards, Chuck

Dennis Lovelady wrote:
Probably have to reorg the "live" member so that the RRNs were sequential and in the same range, yes? (the file is quite old
and hasn't been reorganized ever to my knowledge)

Pete Helgren wrote:

Hmmm... hadn't considered that. Probably; I don't know a way to
get rownumber (as opposed to RRN) from DB2.

Good luck with it; while I haven't done it myself (other than to
test the sample before I sent) it looks workable.


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