Johannes Ahrends
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carajan.bsky.social
Johannes Ahrends
@carajan.bsky.social
Oracle ACE Pro. Founder of CarajanDB.
Oracle database enthusiast. No longer waiting for Oracle 23ai on prem.
Immer mit der Ruhe!
Abschlusssession mit Johannes Arends von @carajan.bsky.social.

Es hat den Anschein, dass der Tag allen gefallen hat - bitte weitersagen!
⭐️⭐️⭐️⭐️⭐️

Nächstes Mal geht es um KI, Anfang des Jahres in Hannover.

#ora2know
October 22, 2025 at 5:21 PM
Great event #ora2know with #sqlmaria about Oracle AI World.
October 22, 2025 at 11:39 AM
Reposted by Johannes Ahrends
Eindücke von der #OracleAIworld in #Frankfurt - @sqlmaria.com first on stage mit Geschichten von der Versionsänderung #23ai auf #26ai. Sind wir #verwirrt? :)
@oracleace.bsky.social @sym42.bsky.social
October 22, 2025 at 7:55 AM
23.26 = 26.0 ?
Nächste Woche mehr dazu mehr n Frankfurt
Raider heißt jetzt Twix und die Oracle Database 23ai heißt jetzt 26ai. Was es sonst noch für Neuigkeiten von der Oracle AI World in Las Vegas gibt, erfahrt ihr am 22.10. in Frankfurt beim #ora2know Oracle AI World Follow Up mit Maria Colgan. Weitere Infos + Anmeldung: www.ora2know.de/2025/08/13/o...
October 14, 2025 at 5:00 PM
Preparing my presentation for the Oracle AI world follow-up on Oct. 22nd in Fankfurt with #ora2know. Talking about Multitenant - what else? And we all hope to hear great news from Maria Colgan #sqlmaria.
September 27, 2025 at 2:19 PM
Ein großartiges Event von #Oxfam #UFU Unternehmer für Unternehmer. #CarajanDB ist stolz darauf, die Projekte unterstützen zu können. Und ich hatte ein nettes Gespräch mit Andy Hammett
June 26, 2025 at 7:05 PM
Jonglieren mit Händen in der Tasche. Der neue Illusionist im Europapark #ora2know #carajandb #DOAG2025 #SE2
May 14, 2025 at 2:07 PM
Reposted by Johannes Ahrends
Hi Oracle DBAs, dies anyone know of there‘s a second way to switch between SHARED and DEDICATED mode?
I only know (SERVER=SHARED) and (SERVER=DEDICATED), but didn‘t find a way to change the behaviour on server side…
#oracle
May 14, 2025 at 1:37 PM
Reposted by Johannes Ahrends
April 8, 2025 at 10:12 AM
Reposted by Johannes Ahrends
Take your patching skills to the next level by testing patches on your standby database.

"Testing on the standby? You must be kidding!"

No, I'm not. Snapshot standby allows you to detect problems before they hit the primary database and affect your users.
Avoid Problems on the Primary Database by Testing on a Snapshot Standby
Take your patching skills to the next level by testing patches on your standby database. "Testing on the standby? You must be kidding!" No, I'm not. Snapshot standby allows you to detect problems before they hit the primary database and affect your users.
dohdatabase.com
March 18, 2025 at 6:00 AM
ora2know at Quest Daten Management Konferenz am 08. Mai in Köln. Näheres unter www.quest.com/de-de/regist...
Wissenswertes zum Thema Performance Optimierung von ora2know
Quest Daten Management Konferenz am 8. Mai in Köln
www.quest.com
March 15, 2025 at 9:22 AM
Reposted by Johannes Ahrends
Read the short and sweet version of our new paper about predicting from brain dynamics, featured in elife digests magazine: elifesciences.org/digests/9512... #neuroskyence
The intuition is that our approach uses a useful projection - like shining a light on an object and looking at its shadow
Predicting individual traits from dynamic brain activity
A combination of machine-learning techniques and more traditional modeling approaches can use the unique patterns of brain activity that evolve over time to predict traits such as age and cognitive ab...
elifesciences.org
February 12, 2025 at 11:12 AM
Reposted by Johannes Ahrends
Zweiter Beitrag:
Ansible von Janis Ax

@ora2know.bsky.social
January 29, 2025 at 5:37 PM
Reposted by Johannes Ahrends
Erster Beitrag von Andre Lünsmann und Sebastian Pielawa:
Datenbank Administration neu denken 2.0

@ora2know.bsky.social
January 29, 2025 at 4:15 PM
Reposted by Johannes Ahrends
Erste @ora2know.bsky.social Veranstaltung bei Ordix in Köln.
Intro und Termine:
January 29, 2025 at 4:10 PM
Reposted by Johannes Ahrends
Hugepages in 19c : It’s the same but completely different!

oracle-base.com/blog/2025/01...
January 23, 2025 at 10:19 AM
Reposted by Johannes Ahrends
News and updates in opatch 12.2.0.1.45 (Jan 2025)

Are you interested in the news and updates in opatch 12.2.0.1.45 (Jan 2025)? This is the opatch version being released on January 21, 2025 together with the January Release Updates (RUs) and other patch bundles. What's new in opatch 12.2.0.1.45…
News and updates in opatch 12.2.0.1.45 (Jan 2025)
Are you interested in the news and updates in opatch 12.2.0.1.45 (Jan 2025)? This is the opatch version being released on January 21, 2025 together with the January Release Updates (RUs) and other patch bundles. What's new in opatch 12.2.0.1.45 (Jan 2025)? When I refer to opatch, I mean the opatch tool for the Oracle Database installations. You can always download it via…
mikedietrichde.com
January 23, 2025 at 10:51 AM
long story short: I was unable to find any patches for the oracle db2 gateway. the solution is simple: there are no separete patches. but using the database RU did the trick!
January 17, 2025 at 10:30 AM
Reposted by Johannes Ahrends
Wir veranstalten ein #meetora2know mit dem Thema "DBA 2.0" und "Ansible für den DBA"

Wann? Am 29. Januar 2025 um 17 Uhr
Wo? In der Geschäftsstelle der ORDIX AG in Köln
Referenten: Andre Lünsmann und Janis Ax

www.ora2know.de/2024/12/19/2...

#Oracle #Ansible #future #DBA #Database #eintrittfrei
Meet ora2know Köln am 29. Januar 2025 -
Unser erstes Event ist für Ende Januar 2025 in Köln geplant. Mittwoch, 29. Januar 2025, 17 - 19 Uhrbei der ORDIX AG, Geschäftsstelle Köln, Edmund-Rumpler-Straße 7 (Gebäude "Grüner Punkt"), 51149 Köln ...
www.ora2know.de
January 16, 2025 at 10:06 AM
Reposted by Johannes Ahrends
Neuer Blogeintrag: Neue ODA-Generation X11 vorgestellt www.robotron.de/unternehmen/...
Neue ODA-Generation X11 vorgestellt
www.robotron.de
January 13, 2025 at 7:33 AM
US-Sicherheitsbehörde warnt vor Attacken auf MiCollab und WebLogic Server. www.heise.de/news/US-Sich...
Der Oracle WebLogic Server wird unter anderem für den Oracle Enterprise Manager genutzt. Also: Patchen (falls noch nicht getan)
US-Sicherheitsbehörde warnt vor Attacken auf MiCollab und WebLogic Server
Admins sollten ihre Systeme mit Mitel- und Oracle-Software gegen derzeit laufende Angriffe rüsten.
www.heise.de
January 9, 2025 at 10:53 AM
Reposted by Johannes Ahrends
Oh dear Apple. Please don’t opt me in to stuff without telling me. Why would I want this? Disabled.
Apple has opted iOS and MacOS users into an AI photo scanning feature which tries to extract landmarks from your photos called Enhanced Visual Search by default with little notice.
www.theregister.com/2025/01/03/a...
Apple opts everyone into having their Photos analyzed by AI
Homomorphic-based Enhanced Visual Search is so privacy-preserving, iPhone giant activated it without asking
www.theregister.com
January 5, 2025 at 2:30 PM
Reposted by Johannes Ahrends
Meet @ora2know.bsky.social in #Köln!

Unser Netzwerktreffen im Januar 2025 bei #Ordix behandelt unter anderem Arbeiten des #DBA 2.0 und #Oracle #Automatisierung mit #Ansible - meldet Euch an, schaut vorbei!

www.ora2know.de/2024/12/19/2...

Save the date: 29.01.25, 17 Uhr

@oracleace.bsky.social
Meet ora2know Köln am 29. Januar 2025 -
Unser erstes Event ist für Ende Januar 2025 in Köln geplant. Mittwoch, 29. Januar 2025, 17 - 19 Uhrbei der ORDIX AG, Geschäftsstelle Köln, Edmund-Rumpler-Straße 7, 51149 KölnAnreise Folgende Vorträge ...
www.ora2know.de
December 20, 2024 at 11:25 AM
Reposted by Johannes Ahrends
Oracle Enterprise Manager Cloud Control 24ai (24.1)

oracle-base.com/blog/2024/12...
December 16, 2024 at 9:40 AM
Reposted by Johannes Ahrends
Autoupgrade looks more promising for the future. FPP has a terrible overly complicated architecture. Ansible is just an orchestrator that you need anyway.
December 17, 2024 at 8:00 AM