Disqus - Friends of elai

Re: Relational algebra: division in sql

Laurent Schneider — Thu, 10 Apr 2008 06:25:05 -0000

what about this :
select sid from catalog group by sid having collect(pid) = (select collect(pid) from parts);

well, it is maybe slower

Re: Relational algebra: division in sql

Laurent Schneider — Thu, 10 Apr 2008 06:48:51 -0000

well, this does not cover when supplier have more pieces than parts. So maybe this :

create or replace type parts_t as object (pid number); / create or replace type parts_tt as table of parts_t; / select sid from (select sid,cast(collect(parts_t(pid)) as parts_tt) x from catalog group by sid) where ((select cast(collect(parts_t(pid))as parts_tt) from parts)) submultiset x;

Re: Relational algebra: division in sql

Laurent Schneider — Thu, 10 Apr 2008 07:27:24 -0000

unfortunately it is quite underused, and it is not working as I expect it to do :
SQL> select sid 2 from catalog 3 group by sid 4 having 5 (select cast(collect(parts_t(pid))as parts_tt) from parts) 6 submultiset 7* cast(collect(parts_t(pid)) as parts_tt) select sid * ERROR at line 1: ORA-00979: not a GROUP BY expression

the ORA-979 makes no sense. I will open a SR and it may be fixed in Oracle 15

Re: Oracle SQL Obfuscation Contest

Laurent Schneider — Fri, 11 Apr 2008 04:32:08 -0000

test
SQL> select * from dual where 1<2

Re: Disqus comments

Laurent Schneider — Fri, 11 Apr 2008 05:45:03 -0000

wordpress comments were awfull to post code, I am glad to have this!

Re: Disqus comments

Laurent Schneider — Fri, 11 Apr 2008 07:16:34 -0000

what happened to the rest of your code? I mean the ; and the }

Re: Disqus comments

Laurent Schneider — Fri, 11 Apr 2008 07:22:22 -0000

buggy

Re: Disqus comments

Laurent Schneider — Fri, 11 Apr 2008 07:25:45 -0000

SCOTT@LSC01> select * from emp where ora_hash(rowid)<power(2,32)*.2; empno="" ename="" job="" mgr="" hiredate="" sal="" comm="" deptno="" ------="" ----------="" ---------="" ------="" ---------="" ------="" ------="" ------="" 7566="" jones="" manager="" 7839="" 02-apr-81="" 2975="" 20="" 7934="" miller="" clerk="" 7782="" 23-jan-82="" 1300="" 10="" <="" code="">

Re: Disqus comments

Laurent Schneider — Fri, 11 Apr 2008 07:26:13 -0000

the indent is buggy, but the edit of code is VERY buggy

Re: New commenting feature: Edit comments inline

Laurent Schneider — Fri, 11 Apr 2008 08:10:34 -0000

I have tried this a few times, and it seems buggy when used with code tags, part of the code disappear. I hope you will fix this :-)

Re: Disqus comments

Laurent Schneider — Sat, 12 Apr 2008 12:18:28 -0000

I have tried to accept PRE

SELECT
   *
FROM
   DUAL;

SELECT 
   'PRE+CODE'
FROM
   DUAL

Re: Disqus comments

Laurent Schneider — Sat, 12 Apr 2008 12:19:10 -0000

(I will try again later)

Re: Disqus comments

Laurent Schneider — Sat, 12 Apr 2008 12:23:34 -0000

one
two
three

Re: Disqus comments

Laurent Schneider — Sat, 12 Apr 2008 16:49:17 -0000

testing links :

http://laurentschneider.com
LaurentSchneider.com

Re: the thorny issue of blog comment ownership - Digging in a Habari sandpit

Laurent Schneider — Tue, 15 Apr 2008 04:22:05 -0000

I have removed disqus after 4 days. So I lost about 4 days of comments. I was seduced by the fancy commenting but it failed to satisfy on posting code...

Re: Disqus

Laurent Schneider — Tue, 15 Apr 2008 04:23:46 -0000

> So, I will stick with it, at least for now.
Either you stick forever or you remove it now :-) Otherwise you will probably lose comments...

Re: Kris' blog: SQL Developer 4.1 EA1 is out

Laurent Schneider — Tue, 09 Dec 2014 05:17:28 -0000

#create table

it works if the sqlprefix is #, also

SQL> roll a barrel now
Rollback complete.

works :)

Re: ORDS Standalone and URI Rewrites

Laurent Schneider — Wed, 04 Oct 2017 11:13:46 -0000

dashes are not allowed in comments, otherwise it works fine, thanks !

REWRITE of /catalog ---- /ords/klrice/metadata-catalog/

WARNING: Ignoring: /u01/app/oracle/product/3.0.11/ords/apex/standalone/etc/jetty-http.xml because an error occurred during configuration: The string "--" is not permitted within comments.

Re: ORDS Standalone and URI Rewrites

Laurent Schneider — Wed, 04 Oct 2017 11:31:20 -0000

I could also redirect http to https by using
jetty.port=80
jetty.secure.port=443

Can I redirect https://server to https://server.example.com ?

Re: ORDS Standalone and URI Rewrites

Laurent Schneider — Thu, 05 Oct 2017 12:04:55 -0000

It's somehow pure magic that http is automatically redirected to https by adding both port in standalone.properties :)
For full name, I had the issue with invalid certificate, but I'll just add the "alternate dns"

Re: Need friends in Mario Kart Tour? Share your friend codes here!

Laurent Schneider — Tue, 08 Oct 2019 09:44:45 -0000

Thanks