Well, 1939 and before wasn't available in the setup where 100-year window went from 1940 to 2039, so I see nothing changes for that when using 2-digit years. Year 39 has always been 2039 and will still be under the 1970 window.

Bottom line - convert to 8-digit dates or true date types.

Cheers
Vern

On 1/3/2025 3:27 PM, Glenn Ericson wrote:
What happens to 1939 and further back?

Sent from my iPhone

Glenn Ericson


On Jan 3, 2025, at 2:41 PM, Dan Bale <dan.bale@xxxxxxxxxxxxxxxxxxxxx> wrote:

Keep kicking that can down the road!

Dan Bale
Sr. IT Systems Engineer
Prime Therapeutics

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of VERNON HAMBERG Owner via MIDRANGE-L
Sent: Friday, January 3, 2025 2:21 PM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Cc: VERNON HAMBERG Owner <vhamberg@xxxxxxxxxxxxxxx>; midrange-l@xxxxxxxxxxxxxxxxxx
Subject: Re: SQL function WEEK_ISO for years beyond 2039

Of course, this change to 1970 as the base date means that any date with 2 digit year that was between 1940 and 1969 is now magically a century later.

Cheers
Vern

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