Jonathan Lewis
@JLOracle
50 years using computers, 40 years freelancing, 35 years dealing with Oracle design and performance issues; mostly retired. Now tweeting at http://jloracle.bsky.social
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The demon subdomain, including my old website disappeared a while ago, but there is a copy from December 2018 on the Wayback machine starting at: web.archive.org/web/2018121305…
I'll be speaking at #UKOUGDiscover2025 ukoug.org/page/UKOUGDisc… about how transactions in Oracle really work. The agenda is up and online, and most excellent sessionize.com/api/v2/kspp9mk… Hope I'll see you in Birmingham on 30th November! #UKOUG25
I'm on the agenda for the #ukoug conference 2025. 9:00 a.m. on Monday morning (I tell myself that that's to encourage people to be on-site early enough to attend the opening keynote afterwards) jonathanlewis.wordpress.com/public-appeara…
Another view of your launch: youtu.be/cCJh5D0FCZk
youtube.com
YouTube
James Burke - perfectly-timed rocket launch 8/20/1977
We are saddened by the passing of Jim Lovell, commander of Apollo 13 and a four-time spaceflight veteran. Lovell's life and work inspired millions. His courage under pressure helped forge our path to the Moon and beyond—a journey that continues today. go.nasa.gov/41tbrpq
Two months since the last blog note, I hope it's worth the wait: jonathanlewis.wordpress.com/2025/05/27/pag…
I think the more practical question (for now) is if a senior dev would end up producing junior level code when using AI agents? (... having distractions and deadlines, etc...)
More than 3 months to #POUG2025 and we have 30 tickets left. Do you really want to miss over 40 tech sessions (no marketing! no sales pitches!) & opportunity to meet #Oracle stars like @connor_mc_d @JLOracle or @KerryOracleGuy ? Buy now or cry later: poug.org/edycja/poug-20…
I've just come across a blog note I wrote a few years ago about unexpected (and unreliable) results from v$undostat when it reports the "maxquerylen / id"; it's probably worth knowing about it: jonathanlewis.wordpress.com/2020/02/04/max…
The days of running oradebug without restriction are numbered! jonathanlewis.wordpress.com/2024/03/12/dis…
I'll be speaking at #POUG2025 (Sept 5th/6th). poug2025.konfeo.com/en/groups The abstract for my session is the sole entry under the "Public Appearances" page on my blog: jonathanlewis.wordpress.com/public-appea...
The old mathematical ones are the best. Maybe jokes are like mathematics. You either get them or you don't. But if you need a clue for Vishal's joke, this might help: en.wikipedia.org/wiki/Residue_t…
In case anyone in the US wonders why Australians live approximately 7 years longer on average than Americans… 🤷♂️ 🇦🇺 #TrumpTariffs
If your developers are talking about the database as «the Persistence Layer», you are in trouble 🥸
"If you trust in yourself and believe in your dreams and follow your star you'll still get beaten by people who spent their time working hard and learning things and weren't so lazy." Miss Tick (The Wee Free Men, Terry Pratchett)
The database can now directly track all of the SQL statements you ran in a session, and keep a plethora of metadata and execution statistics about them as well! youtu.be/V5m4OTELby4
youtube.com
YouTube
Keep track of all of your SQL statements
I've just spent a silly amount of time updating the catalogue pages on my blog with references to the last 27 (!) items I've published: jonathanlewis.wordpress.com/2022/01/25/cat…
The issue has been fixed with Patch 36791812: FDA DDLs Are Offline, Leading to Unusable FDA Indexes.
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