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We are on IBM I V7R3.

The immediate question: Is XMLTABLE the best way to process a large XML file?

We have XML files that contain over 40,000 individual data records with file sizes over 7 megs and one even over 70 megs in one instance.
I am parsing the data from XML into an SQL table using the following statement:

exec sql
insert into pjtlib/zmpsnxfl
select x.*
from pjtlib/xmltext,
XMLTABLE( '$doc/IMB_Personalization/MailingData/Personalization'
passing info as "doc"
columns
mailingNumber varchar(5) default ' ' path '../../MailingNumber'
, imbNumber varchar(21) default ' ' path '../IMB_Number'
, psnValue varchar(100) default ' ' path 'PsnAlpha'
, psnCode varchar(3) default ' ' path 'PsnCde'
, MFentity varchar(3) default ' ' path 'MFentity'
, MFelement varchar(3) default ' ' path 'MFelement'
) X

This works great for a file with a few hundred transactions in it. But when we have 40,000 transactions it takes a lot of time. (I have a file that is 35meg in size, with over 50,000 records and it took 20 minutes to complete.)

Is there a way to speed this up using XMLTABLE() or is there a more efficient way other than XMLTABLE?

Thanks,

Paul

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