Comments on: And on the seventh day, God fiddled with His NLS settings http://andrewfraserdba.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/ Oracle DBA (plus SQL Server) Wed, 25 Jan 2012 13:00:50 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Andrew Fraser http://andrewfraserdba.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-4185 Andrew Fraser Wed, 05 Oct 2011 15:55:02 +0000 http://andrewfraser.wordpress.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-4185 Another example - replace: where trunc(sysdate - ((to_number(to_char(sysdate, 'D'))) )) = trunc(startdate) with this: where sysdate between trunc(startdate) and trunc(startdate)+7 Another example – replace:

where trunc(sysdate – ((to_number(to_char(sysdate, ‘D’))) )) = trunc(startdate)

with this:

where sysdate between trunc(startdate) and trunc(startdate)+7

]]> By: Eric http://andrewfraserdba.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-57 Eric Thu, 15 Nov 2007 22:32:19 +0000 http://andrewfraser.wordpress.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-57 You can depend on the name of the day if you force the language in your to_char function. So no matter the session NLS setting it would return in your reference language, say english. where to_char(workdate,’Dy’,'nls_date_language=english') = ‘Sat’ You can depend on the name of the day if you force the language in your to_char function. So no matter the session NLS setting it would return in your reference language, say english.

where to_char(workdate,’Dy’,’nls_date_language=english’) = ‘Sat’

]]> By: greg http://andrewfraserdba.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-58 greg Fri, 19 Oct 2007 09:10:17 +0000 http://andrewfraser.wordpress.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-58 "The fix is to name the day of the week rather than count to it: select address, 'These customers want visited Saturdays' from customer where to_char(workdate,’Dy’) = ‘Sat’ ;" No, it's NOT. That's still NLS dependent. Use 'J': SQL> alter session set NLS_LANGUAGE = 'HUNGARIAN'; Session altered SQL> select to_char(sysdate,'D Day, Dy'), mod(to_number(to_char(sysdate,'J')),7) from dual; TO_CHAR(SYSDATE,'DDAY,DY') MOD(TO_NUMBER(TO_CHAR(SYSDATE, -------------------------- ------------------------------ 5 Péntek , P. 4 “The fix is to name the day of the week rather than count to it:

select address, ‘These customers want visited Saturdays’
from customer
where to_char(workdate,’Dy’) = ‘Sat’ ;”

No, it’s NOT. That’s still NLS dependent. Use ‘J’:

SQL> alter session set NLS_LANGUAGE = ‘HUNGARIAN’;

Session altered

SQL> select to_char(sysdate,’D Day, Dy’), mod(to_number(to_char(sysdate,’J')),7) from dual;

TO_CHAR(SYSDATE,’DDAY,DY’) MOD(TO_NUMBER(TO_CHAR(SYSDATE,
————————– ——————————
5 Péntek , P. 4

]]> By: Simon Kelsey http://andrewfraserdba.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-56 Simon Kelsey Fri, 27 Apr 2007 10:51:15 +0000 http://andrewfraser.wordpress.com/2007/04/25/and-on-the-seventh-day-god-fiddled-with-his-nls-settings/#comment-56 Hi Andrew, I read this post with interest, I've worked in a few places where there have been all manner of NLS "nightmares" but I've never come across this particular one! Thanks for the warning! Cheers, SimonK. Hi Andrew,

I read this post with interest, I’ve worked in a few places where there have been all manner of NLS “nightmares” but I’ve never come across this particular one! Thanks for the warning!

Cheers,
SimonK.

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