RE: SQL 2020-01-05 is week 2? There is no week 1 in 2020"

When using the WEEK function, the week always starts with SUNDAY and
January, 1st is always in the first week.
In this way January, 5 2020 in the 2nd week!

When using WEEK_ISO, the ISO guidelines are used, i.e.
1. Week always starts with Monday
2. In the first week of the year the majority of days must be in the first
week, so December, 29 can be in the first week, but also January, 3 can be
in the last week of the previous year. ... but January, 4 is always in the
first week.

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
and keeping them!"
?Train people well enough so they can leave, treat them well enough so they
don't want to.? (Richard Branson)


-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Booth
Martin
Sent: Samstag, 4. Januar 2020 08:27
To: RPG programming on the IBM i (AS/400 and iSeries)
<rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: SQL 2020-01-05 is week 2? There is no week 1 in 2020"

exec sql set :weekNbr = week('2020-01-05');

sets weekNbr at 2?

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