What is CVTJRN? Is that never than 5.4? Or a non-IBM product?
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jack Kingsley
Sent: Friday, September 28, 2012 12:27 PM
To: Midrange Systems Technical Discussion
Subject: Re: SQL: how to farm journal: select only oldest and newest record for each cust #
have you looked at any of the dspjrn/cvtjrn type commands. Maybe you could
parse out what you want to a file, then go after what you need from there.
On Fri, Sep 28, 2012 at 1:09 PM, Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>wrote:
A quick thought - use a UNION SELECT. This assumes you have some
criteria for the particular set of records - the first SELECT would get
the record with some minimum timestamp, the second SELECT would get the
record with some maximum timestamp.
I'm just flying off the cuff with this - not sure it'd work at all -
depends on how the data comes out. It'll work in a general sense, though.
On 9/28/2012 10:32 AM, Stone, Joel wrote:
Is it possible (and simple) to select only two records from the journal- for each file-RRN combination?
image for that particular cust (and all other custs).
Users make 20 changes throughout the day to CUST #123 record.
I want to select only the first "before" image and the last "after"
Can SQL select these with a simple statement?
Or is this best done in an HLL pgm?
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